diff --git a/README.md b/README.md
index 199fd15f..f363ea88 100644
--- a/README.md
+++ b/README.md
@@ -339,10 +339,10 @@ Using [Alembic](https://alembic.sqlalchemy.org/en/latest/autogenerate.html) Auto
 # If changes have already been applied (on your feature vranch) and you have to recreate your alembic file by doing :
 # 1. change to your main branch 
 git  switch main
-# 2. start test container and run "pytest -vv -k api" to rebuild the state of the DB (or drop table the table you want)
+# 2. start test container (docker compose up testconsole -d / docker compose exec testconsole bash) and run "pytest -vv -k api" to rebuild the state of the DB (or drop table the table you want) - just let it run a few seconds.
 # 3. rechange to your WIP branch 
 git switch -
-# 4. connect to the test container : docker compose up test -d / docker compose exec test bash
+# 4. connect to the test container : docker compose up testconsole -d / docker compose exec testconsole bash
 # 5. reapply the latest saved state : 
 poetry run alembic stamp head
 # 6. Save the new columns
@@ -372,6 +372,8 @@ poetry run python3 quotaclimat/transform_excel_to_json.py
 ## Program Metadata table
 The media perimeter is defined here : "quotaclimat/data_processing/mediatree/channel_program.json"
 
+To evolve the media perimeter, we use `program_grid_start` and `program_grid_end` columns to version all evolutions.
+
 To calculate the right total duration for each channel, after updating "quotaclimat/data_processing/mediatree/channel_program.json" you need to execute this command to update `postgres/program_metadata.json` 
 ```
 poetry run python3 transform_program.py
diff --git a/alembic/versions/30abfd828007_program_metadata.py b/alembic/versions/30abfd828007_program_metadata.py
new file mode 100644
index 00000000..16b68404
--- /dev/null
+++ b/alembic/versions/30abfd828007_program_metadata.py
@@ -0,0 +1,32 @@
+"""program metadata
+
+Revision ID: 30abfd828007
+Revises: 43103d5b49c9
+Create Date: 2024-10-03 14:18:09.874225
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '30abfd828007'
+down_revision: Union[str, None] = '43103d5b49c9'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('program_metadata', sa.Column('program_grid_start', sa.DateTime(), nullable=True))
+    op.add_column('program_metadata', sa.Column('program_grid_end', sa.DateTime(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('program_metadata', 'program_grid_end')
+    op.drop_column('program_metadata', 'program_grid_start')
+    # ### end Alembic commands ###
diff --git a/alembic/versions/43103d5b49c9_program_add_start_end_date_for_grid_.py b/alembic/versions/43103d5b49c9_program_add_start_end_date_for_grid_.py
new file mode 100644
index 00000000..b89327ae
--- /dev/null
+++ b/alembic/versions/43103d5b49c9_program_add_start_end_date_for_grid_.py
@@ -0,0 +1,30 @@
+"""program: add start/end date for grid evolution
+
+Revision ID: 43103d5b49c9
+Revises: af956a85658f
+Create Date: 2024-10-02 13:18:56.251135
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '43103d5b49c9'
+down_revision: Union[str, None] = 'af956a85658f'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###
diff --git a/docker-compose.yml b/docker-compose.yml
index fb995fcb..b28dfbc2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -152,8 +152,8 @@ services:
       #START_DATE_UPDATE: "2024-02-01" # to batch update PG from a date
       #END_DATE: "2024-02-29" # optional - otherwise end of the month
       BATCH_SIZE: 100 # number of records to update in one batch
-      # START_DATE: 1717227223 # to test batch import 
-      CHANNEL : france-info # to reimport only one channel
+     # START_DATE: 1727610071 # to test batch import 
+      CHANNEL : fr3-idf # to reimport only one channel
       MEDIATREE_USER : /run/secrets/username_api
       MEDIATREE_PASSWORD:  /run/secrets/pwd_api
       MEDIATREE_AUTH_URL: https://keywords.mediatree.fr/api/auth/token/
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 87813793..a848c7ac 100644
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -6,7 +6,7 @@ poetry run alembic upgrade head
 
 
 echo "update program metadata file"
-python transform_program.py
+poetry run python3 transform_program.py
 if [[ $? -eq 0 ]]; then
     echo "Command succeeded"
 else
diff --git a/poetry.lock b/poetry.lock
index 6ab441b0..ba72298c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -4028,4 +4028,4 @@ testing = ["coverage (>=5.0.3)", "zope.event", "zope.testing"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.11.0,<3.13.0"
-content-hash = "6fa50268a0e0c434984fbb323ed7578ba84c248643027c299b786b76937f7a2d"
+content-hash = "2d0704a55e51a7c6d608f42b4bfdf794eec3fbc6bd14e867c071afa8dbff78fc"
diff --git a/postgres/program_metadata.json b/postgres/program_metadata.json
index ed334f8c..55029273 100644
--- a/postgres/program_metadata.json
+++ b/postgres/program_metadata.json
@@ -4,6 +4,8 @@
         "start": "19:45",
         "end": "20:05",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "JT",
         "program_type": "Information - Journal",
         "duration": 20,
@@ -18,6 +20,8 @@
         "start": "20:05",
         "end": "20:50",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "28 minutes",
         "program_type": "Information - Magazine",
         "duration": 45,
@@ -32,6 +36,8 @@
         "start": "6:00",
         "end": "23:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Information en continu",
         "program_type": "Information en continu",
         "duration": 1020,
@@ -46,6 +52,40 @@
         "start": "12:30",
         "end": "13:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2023-06-23",
+        "program_name": "Le journal du jour + météo",
+        "program_type": "Information - Journal",
+        "duration": 30,
+        "channel_title": "C8",
+        "public": false,
+        "infocontinue": false,
+        "radio": false,
+        "id": "b5490b78c9e49919934a4ef82f8cf5cbbccf6ef0041d9bc5f50e3d38e391e142"
+    },
+    {
+        "channel_name": "d8",
+        "start": "12:30",
+        "end": "13:00",
+        "weekday": 1,
+        "program_grid_start": "2023-09-04",
+        "program_grid_end": "2024-06-28",
+        "program_name": "Le journal du jour + météo",
+        "program_type": "Information - Journal",
+        "duration": 30,
+        "channel_title": "C8",
+        "public": false,
+        "infocontinue": false,
+        "radio": false,
+        "id": "b5490b78c9e49919934a4ef82f8cf5cbbccf6ef0041d9bc5f50e3d38e391e142"
+    },
+    {
+        "channel_name": "d8",
+        "start": "12:30",
+        "end": "13:00",
+        "weekday": 1,
+        "program_grid_start": "2024-09-02",
+        "program_grid_end": "2100-01-01",
         "program_name": "Le journal du jour + météo",
         "program_type": "Information - Journal",
         "duration": 30,
@@ -60,6 +100,8 @@
         "start": "6:00",
         "end": "7:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Bonjour",
         "program_type": "Information - Magazine",
         "duration": 60,
@@ -74,6 +116,8 @@
         "start": "7:00",
         "end": "9:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Europe 1 Matin",
         "program_type": "Information - Magazine",
         "duration": 120,
@@ -88,6 +132,8 @@
         "start": "9:00",
         "end": "9:30",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "L'heure des pros",
         "program_type": "Information - Magazine",
         "duration": 30,
@@ -102,6 +148,8 @@
         "start": "11:00",
         "end": "13:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Pascal Praud et vous",
         "program_type": "Information - Magazine",
         "duration": 120,
@@ -116,6 +164,8 @@
         "start": "13:00",
         "end": "14:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Europe 1 Matin",
         "program_type": "Information - Magazine",
         "duration": 60,
@@ -130,6 +180,8 @@
         "start": "18:00",
         "end": "19:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Punchline",
         "program_type": "Information - Magazine",
         "duration": 60,
@@ -144,6 +196,8 @@
         "start": "19:00",
         "end": "20:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Soir",
         "program_type": "Information - Magazine",
         "duration": 60,
@@ -158,6 +212,40 @@
         "start": "7:00",
         "end": "9:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2024-02-09",
+        "program_name": "Ici Matin",
+        "program_type": "Information - Journal",
+        "duration": 120,
+        "channel_title": "France 3-idf",
+        "public": true,
+        "infocontinue": false,
+        "radio": false,
+        "id": "69df3955cf5427cb20161fe303d2a61a2cd7724ab3815a2c7dc09d8611b06128"
+    },
+    {
+        "channel_name": "fr3-idf",
+        "start": "7:00",
+        "end": "9:00",
+        "weekday": 1,
+        "program_grid_start": "2024-03-11",
+        "program_grid_end": "2024-04-05",
+        "program_name": "Ici Matin",
+        "program_type": "Information - Journal",
+        "duration": 120,
+        "channel_title": "France 3-idf",
+        "public": true,
+        "infocontinue": false,
+        "radio": false,
+        "id": "69df3955cf5427cb20161fe303d2a61a2cd7724ab3815a2c7dc09d8611b06128"
+    },
+    {
+        "channel_name": "fr3-idf",
+        "start": "7:00",
+        "end": "9:00",
+        "weekday": 1,
+        "program_grid_start": "2024-05-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Ici Matin",
         "program_type": "Information - Journal",
         "duration": 120,
@@ -167,11 +255,29 @@
         "radio": false,
         "id": "69df3955cf5427cb20161fe303d2a61a2cd7724ab3815a2c7dc09d8611b06128"
     },
+    {
+        "channel_name": "fr3-idf",
+        "start": "12:25",
+        "end": "12:50",
+        "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2023-09-03",
+        "program_name": "JT 12h",
+        "program_type": "Information - Journal",
+        "duration": 25,
+        "channel_title": "France 3-idf",
+        "public": true,
+        "infocontinue": false,
+        "radio": false,
+        "id": "058ca097d7f964d14bcccff54592f9c3105f63a93bd2511642b1ecf37b1fe690"
+    },
     {
         "channel_name": "fr3-idf",
         "start": "12:00",
         "end": "12:50",
         "weekday": 1,
+        "program_grid_start": "2023-09-04",
+        "program_grid_end": "2100-01-01",
         "program_name": "JT 12h",
         "program_type": "Information - Journal",
         "duration": 50,
@@ -181,11 +287,29 @@
         "radio": false,
         "id": "058ca097d7f964d14bcccff54592f9c3105f63a93bd2511642b1ecf37b1fe690"
     },
+    {
+        "channel_name": "fr3-idf",
+        "start": "19:30",
+        "end": "19:55",
+        "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2023-09-03",
+        "program_name": "JT 19h + météo",
+        "program_type": "Information - Journal",
+        "duration": 25,
+        "channel_title": "France 3-idf",
+        "public": true,
+        "infocontinue": false,
+        "radio": false,
+        "id": "5018eca67b98963c816b3a3c34148aacc02dfcf5ffc8de0158fe02af2b58d5a6"
+    },
     {
         "channel_name": "fr3-idf",
         "start": "19:00",
         "end": "19:55",
         "weekday": 1,
+        "program_grid_start": "2023-09-04",
+        "program_grid_end": "2100-01-01",
         "program_name": "JT 19h + météo",
         "program_type": "Information - Journal",
         "duration": 55,
@@ -200,6 +324,8 @@
         "start": "6:30",
         "end": "9:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Les matins",
         "program_type": "Information - Magazine",
         "duration": 150,
@@ -214,6 +340,8 @@
         "start": "12:30",
         "end": "12:50",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal de 12h30",
         "program_type": "Information - Journal",
         "duration": 20,
@@ -228,6 +356,8 @@
         "start": "18:00",
         "end": "18:20",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal de 18h",
         "program_type": "Information - Journal",
         "duration": 20,
@@ -242,6 +372,8 @@
         "start": "6:00",
         "end": "23:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Information en continu",
         "program_type": "Information en continu",
         "duration": 1020,
@@ -256,6 +388,8 @@
         "start": "6:00",
         "end": "7:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Le 5/7",
         "program_type": "Information - Magazine",
         "duration": 60,
@@ -270,6 +404,8 @@
         "start": "7:00",
         "end": "10:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Le 7/10",
         "program_type": "Information - Magazine",
         "duration": 180,
@@ -284,6 +420,8 @@
         "start": "13:00",
         "end": "14:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Le 13/14",
         "program_type": "Information - Magazine",
         "duration": 60,
@@ -298,6 +436,8 @@
         "start": "19:00",
         "end": "20:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Le 19/20",
         "program_type": "Information - Magazine",
         "duration": 60,
@@ -312,6 +452,8 @@
         "start": "6:00",
         "end": "6:25",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Le 6h Info",
         "program_type": "Information - Journal",
         "duration": 25,
@@ -326,6 +468,8 @@
         "start": "6:30",
         "end": "9:30",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Télématin",
         "program_type": "Information - Autres émissions",
         "duration": 180,
@@ -340,6 +484,8 @@
         "start": "13:00",
         "end": "13:40",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "JT 13h",
         "program_type": "Information - Journal",
         "duration": 40,
@@ -354,6 +500,8 @@
         "start": "19:55",
         "end": "20:40",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2024-09-08",
         "program_name": "JT 20h + météo",
         "program_type": "Information - Journal",
         "duration": 45,
@@ -363,11 +511,29 @@
         "radio": false,
         "id": "e1160143efbdb19f87d7f53d4035f9b78fffaa2e5af86bc3719d6428b3adaa6c"
     },
+    {
+        "channel_name": "france2",
+        "start": "19:55",
+        "end": "20:55",
+        "weekday": 1,
+        "program_grid_start": "2024-09-09",
+        "program_grid_end": "2100-01-01",
+        "program_name": "JT 20h + météo",
+        "program_type": "Information - Journal",
+        "duration": 60,
+        "channel_title": "France 2",
+        "public": true,
+        "infocontinue": false,
+        "radio": false,
+        "id": "e1160143efbdb19f87d7f53d4035f9b78fffaa2e5af86bc3719d6428b3adaa6c"
+    },
     {
         "channel_name": "france24",
         "start": "6:00",
         "end": "23:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Information en continu",
         "program_type": "Information en continu",
         "duration": 1020,
@@ -382,6 +548,8 @@
         "start": "6:00",
         "end": "23:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Information en continu",
         "program_type": "Information en continu",
         "duration": 1020,
@@ -396,6 +564,8 @@
         "start": "6:00",
         "end": "23:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Information en continu",
         "program_type": "Information en continu",
         "duration": 1020,
@@ -410,6 +580,8 @@
         "start": "6:00",
         "end": "23:00",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Information en continu",
         "program_type": "Information en continu",
         "duration": 1020,
@@ -424,6 +596,8 @@
         "start": "12:45",
         "end": "13:15",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "JT 1245",
         "program_type": "Information - Journal",
         "duration": 30,
@@ -435,12 +609,30 @@
     },
     {
         "channel_name": "m6",
-        "start": "13:50",
+        "start": "13:55",
+        "end": "16:50",
+        "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2023-10-03",
+        "program_name": "1 jour un doc",
+        "program_type": "Information - Magazine",
+        "duration": 175,
+        "channel_title": "M6",
+        "public": false,
+        "infocontinue": false,
+        "radio": false,
+        "id": "cc4a2d02331449f4198431a47bb31c24150033a6f09d6d2a525ecc8c870654aa"
+    },
+    {
+        "channel_name": "m6",
+        "start": "13:55",
         "end": "17:20",
         "weekday": 1,
+        "program_grid_start": "2023-10-09",
+        "program_grid_end": "2100-01-01",
         "program_name": "1 jour un doc",
         "program_type": "Information - Magazine",
-        "duration": 210,
+        "duration": 205,
         "channel_title": "M6",
         "public": false,
         "infocontinue": false,
@@ -450,11 +642,29 @@
     {
         "channel_name": "m6",
         "start": "13:15",
-        "end": "13:50",
+        "end": "13:55",
         "weekday": 1,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2024-05-31",
         "program_name": "1245 le mag",
         "program_type": "Information - Magazine",
-        "duration": 35,
+        "duration": 40,
+        "channel_title": "M6",
+        "public": false,
+        "infocontinue": false,
+        "radio": false,
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@@ -480,6 +692,8 @@
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@@ -732,6 +980,8 @@
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@@ -760,6 +1012,8 @@
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@@ -774,6 +1028,8 @@
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@@ -956,6 +1268,8 @@
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@@ -1222,6 +1636,8 @@
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@@ -1250,6 +1668,8 @@
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         "weekday": 2,
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@@ -1259,11 +1679,29 @@
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         "end": "23:00",
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@@ -1278,6 +1716,8 @@
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@@ -1292,6 +1732,8 @@
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@@ -1306,6 +1748,8 @@
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@@ -1320,6 +1764,8 @@
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@@ -1331,12 +1777,30 @@
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@@ -1346,11 +1810,29 @@
     {
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@@ -1376,6 +1860,8 @@
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@@ -1390,6 +1876,8 @@
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@@ -1404,6 +1892,8 @@
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@@ -1446,6 +1940,8 @@
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@@ -1516,6 +2020,8 @@
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@@ -1586,6 +2100,8 @@
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@@ -1600,6 +2116,8 @@
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@@ -1642,6 +2164,8 @@
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@@ -1656,6 +2180,8 @@
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@@ -1670,6 +2196,8 @@
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@@ -1698,6 +2228,8 @@
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@@ -1712,6 +2244,8 @@
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@@ -1796,6 +2340,8 @@
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@@ -1810,6 +2356,8 @@
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@@ -1824,6 +2372,8 @@
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@@ -1838,6 +2388,8 @@
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@@ -1848,14 +2400,48 @@
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-        "program_name": "Bonjour",
-        "program_type": "Information - Magazine",
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-        "channel_title": "Europe 1",
+        "program_grid_start": "2023-09-04",
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+        "program_name": "Le journal du jour + météo",
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@@ -1866,6 +2452,8 @@
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@@ -1880,6 +2468,8 @@
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@@ -1894,6 +2484,8 @@
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@@ -1908,6 +2500,8 @@
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@@ -1922,6 +2516,8 @@
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@@ -1936,6 +2532,8 @@
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@@ -1950,6 +2548,8 @@
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@@ -1973,11 +2623,29 @@
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     },
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+        "program_name": "JT 19h + météo",
+        "program_type": "Information - Journal",
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+        "channel_title": "France 3-idf",
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     {
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         "start": "19:00",
         "end": "19:55",
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@@ -1992,6 +2660,8 @@
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         "end": "9:00",
         "weekday": 3,
+        "program_grid_start": "2023-04-01",
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         "program_type": "Information - Magazine",
         "duration": 150,
@@ -2006,6 +2676,8 @@
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         "weekday": 3,
+        "program_grid_start": "2023-04-01",
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         "program_type": "Information - Journal",
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@@ -2020,6 +2692,8 @@
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+        "program_grid_start": "2023-04-01",
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         "program_type": "Information - Journal",
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@@ -2034,6 +2708,8 @@
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         "end": "23:00",
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         "program_type": "Information en continu",
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@@ -2048,6 +2724,8 @@
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         "program_type": "Information - Magazine",
         "duration": 60,
@@ -2062,6 +2740,8 @@
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         "end": "10:00",
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         "program_name": "Le 7/10",
         "program_type": "Information - Magazine",
         "duration": 180,
@@ -2076,6 +2756,8 @@
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         "end": "14:00",
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@@ -2090,6 +2772,8 @@
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@@ -2104,6 +2788,8 @@
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@@ -2118,6 +2804,8 @@
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         "program_type": "Information - Autres émissions",
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@@ -2132,6 +2820,8 @@
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@@ -2146,6 +2836,8 @@
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@@ -2155,11 +2847,29 @@
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+        "program_name": "JT 20h + météo",
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+        "channel_title": "France 2",
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     {
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@@ -2174,6 +2884,8 @@
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@@ -2188,6 +2900,8 @@
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@@ -2202,6 +2916,8 @@
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@@ -2216,6 +2932,8 @@
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@@ -2227,12 +2945,30 @@
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+        "program_name": "1 jour un doc",
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         "end": "17:20",
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@@ -2242,11 +2978,29 @@
     {
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         "program_name": "1245 le mag",
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@@ -2258,6 +3012,8 @@
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@@ -2272,6 +3028,8 @@
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@@ -2300,6 +3060,8 @@
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@@ -2482,6 +3268,8 @@
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         "program_type": "Information - Journal",
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@@ -2510,6 +3300,8 @@
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@@ -2524,6 +3316,8 @@
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@@ -2538,6 +3332,8 @@
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@@ -2552,6 +3348,8 @@
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@@ -2566,6 +3364,8 @@
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@@ -2580,6 +3380,8 @@
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@@ -2594,6 +3396,8 @@
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+        "program_grid_start": "2023-04-01",
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@@ -2608,6 +3412,8 @@
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+        "program_grid_start": "2023-04-01",
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@@ -2622,6 +3428,8 @@
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@@ -2636,6 +3444,8 @@
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@@ -2650,6 +3460,8 @@
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+        "program_grid_start": "2023-04-01",
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@@ -2664,6 +3476,8 @@
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@@ -2678,6 +3492,8 @@
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@@ -2692,6 +3508,8 @@
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@@ -2706,6 +3524,8 @@
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@@ -2734,6 +3556,40 @@
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+        "program_grid_start": "2023-04-01",
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+        "program_name": "Le journal du jour + météo",
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+        "channel_title": "C8",
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+        "program_grid_start": "2024-08-24",
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+        "channel_title": "France 2",
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+        "program_name": "20h30 le samedi",
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         "infocontinue": false,
         "radio": false,
-        "id": "b66368bc078152f020abeede10bffd381976e50d914eea9c93ad1cf8945d8bdb"
+        "id": "da0ac74127935698b06e66cb63ae0d34e3dffc36f7d67fae7c2ea3fa60172263"
     },
     {
         "channel_name": "france2",
-        "start": "19:55",
-        "end": "20:30",
+        "start": "20:30",
+        "end": "21:00",
         "weekday": 7,
-        "program_name": "JT 20h + météo",
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2023-06-25",
+        "program_name": "20h30 le dimanche",
         "program_type": "Information - Journal",
-        "duration": 35,
+        "duration": 30,
         "channel_title": "France 2",
         "public": true,
         "infocontinue": false,
         "radio": false,
-        "id": "da0ac74127935698b06e66cb63ae0d34e3dffc36f7d67fae7c2ea3fa60172263"
+        "id": "ee037ae5a18ac2091d33549e7039550f77c964647a6240e0ccacc6b65cf60204"
     },
     {
         "channel_name": "france2",
         "start": "20:30",
         "end": "21:00",
         "weekday": 7,
+        "program_grid_start": "2023-09-01",
+        "program_grid_end": "2024-06-23",
+        "program_name": "20h30 le dimanche",
+        "program_type": "Information - Journal",
+        "duration": 30,
+        "channel_title": "France 2",
+        "public": true,
+        "infocontinue": false,
+        "radio": false,
+        "id": "ee037ae5a18ac2091d33549e7039550f77c964647a6240e0ccacc6b65cf60204"
+    },
+    {
+        "channel_name": "france2",
+        "start": "20:30",
+        "end": "21:00",
+        "weekday": 7,
+        "program_grid_start": "2024-09-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "20h30 le dimanche",
         "program_type": "Information - Journal",
         "duration": 30,
@@ -5506,6 +7300,8 @@
         "start": "6:00",
         "end": "23:00",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Information en continu",
         "program_type": "Information en continu",
         "duration": 1020,
@@ -5520,6 +7316,8 @@
         "start": "6:00",
         "end": "23:00",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Information en continu",
         "program_type": "Information en continu",
         "duration": 1020,
@@ -5534,6 +7332,8 @@
         "start": "6:00",
         "end": "23:00",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Information en continu",
         "program_type": "Information en continu",
         "duration": 1020,
@@ -5548,6 +7348,8 @@
         "start": "6:00",
         "end": "23:00",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Information en continu",
         "program_type": "Information en continu",
         "duration": 1020,
@@ -5562,6 +7364,8 @@
         "start": "12:45",
         "end": "13:15",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "JT 1245",
         "program_type": "Information - Journal",
         "duration": 30,
@@ -5576,6 +7380,8 @@
         "start": "19:40",
         "end": "20:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "JT 1945 + météo",
         "program_type": "Information - Journal",
         "duration": 30,
@@ -5587,12 +7393,110 @@
     },
     {
         "channel_name": "m6",
-        "start": "16:35",
+        "start": "17:20",
         "end": "19:30",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2024-06-25",
         "program_name": "66 minutes",
         "program_type": "Information - Magazine",
-        "duration": 175,
+        "duration": 130,
+        "channel_title": "M6",
+        "public": false,
+        "infocontinue": false,
+        "radio": false,
+        "id": "304549a8b60d8707800164feef51f15075946bd4990db8d5225d763cdc78ec4a"
+    },
+    {
+        "channel_name": "m6",
+        "start": "17:45",
+        "end": "19:30",
+        "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2023-08-31",
+        "program_name": "66 minutes",
+        "program_type": "Information - Magazine",
+        "duration": 105,
+        "channel_title": "M6",
+        "public": false,
+        "infocontinue": false,
+        "radio": false,
+        "id": "304549a8b60d8707800164feef51f15075946bd4990db8d5225d763cdc78ec4a"
+    },
+    {
+        "channel_name": "m6",
+        "start": "17:20",
+        "end": "19:30",
+        "weekday": 7,
+        "program_grid_start": "2023-09-01",
+        "program_grid_end": "2024-01-14",
+        "program_name": "66 minutes",
+        "program_type": "Information - Magazine",
+        "duration": 130,
+        "channel_title": "M6",
+        "public": false,
+        "infocontinue": false,
+        "radio": false,
+        "id": "304549a8b60d8707800164feef51f15075946bd4990db8d5225d763cdc78ec4a"
+    },
+    {
+        "channel_name": "m6",
+        "start": "16:40",
+        "end": "19:30",
+        "weekday": 7,
+        "program_grid_start": "2024-01-15",
+        "program_grid_end": "2024-04-28",
+        "program_name": "66 minutes",
+        "program_type": "Information - Magazine",
+        "duration": 170,
+        "channel_title": "M6",
+        "public": false,
+        "infocontinue": false,
+        "radio": false,
+        "id": "304549a8b60d8707800164feef51f15075946bd4990db8d5225d763cdc78ec4a"
+    },
+    {
+        "channel_name": "m6",
+        "start": "17:20",
+        "end": "19:30",
+        "weekday": 7,
+        "program_grid_start": "2024-05-04",
+        "program_grid_end": "2024-06-30",
+        "program_name": "66 minutes",
+        "program_type": "Information - Magazine",
+        "duration": 130,
+        "channel_title": "M6",
+        "public": false,
+        "infocontinue": false,
+        "radio": false,
+        "id": "304549a8b60d8707800164feef51f15075946bd4990db8d5225d763cdc78ec4a"
+    },
+    {
+        "channel_name": "m6",
+        "start": "17:45",
+        "end": "19:30",
+        "weekday": 7,
+        "program_grid_start": "2024-07-04",
+        "program_grid_end": "2024-08-31",
+        "program_name": "66 minutes",
+        "program_type": "Information - Magazine",
+        "duration": 105,
+        "channel_title": "M6",
+        "public": false,
+        "infocontinue": false,
+        "radio": false,
+        "id": "304549a8b60d8707800164feef51f15075946bd4990db8d5225d763cdc78ec4a"
+    },
+    {
+        "channel_name": "m6",
+        "start": "17:20",
+        "end": "19:30",
+        "weekday": 7,
+        "program_grid_start": "2024-09-01",
+        "program_grid_end": "2100-01-01",
+        "program_name": "66 minutes",
+        "program_type": "Information - Magazine",
+        "duration": 130,
         "channel_title": "M6",
         "public": false,
         "infocontinue": false,
@@ -5604,6 +7508,8 @@
         "start": "21:10",
         "end": "23:15",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Capital / Zone interdite",
         "program_type": "Information - Magazine",
         "duration": 125,
@@ -5618,6 +7524,8 @@
         "start": "6:00",
         "end": "6:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 6h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5632,6 +7540,8 @@
         "start": "7:00",
         "end": "7:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 7h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5646,6 +7556,8 @@
         "start": "8:00",
         "end": "8:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 8h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5660,6 +7572,8 @@
         "start": "9:00",
         "end": "9:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 9h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5674,6 +7588,8 @@
         "start": "10:00",
         "end": "10:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 10h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5688,6 +7604,8 @@
         "start": "11:00",
         "end": "11:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 11h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5702,6 +7620,8 @@
         "start": "12:00",
         "end": "12:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 12h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5716,6 +7636,8 @@
         "start": "13:00",
         "end": "13:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 13h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5730,6 +7652,8 @@
         "start": "14:00",
         "end": "14:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 14h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5744,6 +7668,8 @@
         "start": "15:00",
         "end": "15:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 15h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5758,6 +7684,8 @@
         "start": "16:00",
         "end": "16:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 16h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5772,6 +7700,8 @@
         "start": "17:00",
         "end": "17:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 17h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5786,6 +7716,8 @@
         "start": "18:00",
         "end": "18:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 18h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5800,6 +7732,8 @@
         "start": "19:00",
         "end": "19:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 19h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5814,6 +7748,8 @@
         "start": "20:00",
         "end": "20:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 20h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5828,6 +7764,8 @@
         "start": "21:00",
         "end": "21:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 21h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5842,6 +7780,8 @@
         "start": "22:00",
         "end": "22:10",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Journal - 22h",
         "program_type": "Information - Journal",
         "duration": 10,
@@ -5856,6 +7796,8 @@
         "start": "6:30",
         "end": "9:30",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "La Matinale Week-end",
         "program_type": "Information - Magazine",
         "duration": 180,
@@ -5870,6 +7812,8 @@
         "start": "6:00",
         "end": "9:15",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "RTL Matin",
         "program_type": "Information - Magazine",
         "duration": 195,
@@ -5884,6 +7828,8 @@
         "start": "18:00",
         "end": "19:15",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "RTL Dimanche soir",
         "program_type": "Information - Magazine",
         "duration": 75,
@@ -5898,6 +7844,8 @@
         "start": "13:00",
         "end": "14:00",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Focus Dimanche",
         "program_type": "Information - Magazine",
         "duration": 60,
@@ -5912,6 +7860,8 @@
         "start": "7:00",
         "end": "9:20",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Le Grand Matin Week-end",
         "program_type": "Information - Magazine",
         "duration": 140,
@@ -5924,11 +7874,13 @@
     {
         "channel_name": "tf1",
         "start": "13:00",
-        "end": "13:40",
+        "end": "13:30",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "JT 13h",
         "program_type": "Information - Journal",
-        "duration": 40,
+        "duration": 30,
         "channel_title": "TF1",
         "public": false,
         "infocontinue": false,
@@ -5940,6 +7892,8 @@
         "start": "19:55",
         "end": "20:40",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "JT 20h + météo",
         "program_type": "Information - Journal",
         "duration": 45,
@@ -5954,6 +7908,8 @@
         "start": "13:40",
         "end": "14:50",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Reportage Découverte",
         "program_type": "Information - Magazine",
         "duration": 70,
@@ -5968,6 +7924,8 @@
         "start": "14:50",
         "end": "16:00",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Grands reportages",
         "program_type": "Information - Magazine",
         "duration": 70,
@@ -5982,6 +7940,8 @@
         "start": "17:15",
         "end": "18:20",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Sept à huit Life",
         "program_type": "Information - Magazine",
         "duration": 65,
@@ -5996,6 +7956,8 @@
         "start": "18:20",
         "end": "19:45",
         "weekday": 7,
+        "program_grid_start": "2023-04-01",
+        "program_grid_end": "2100-01-01",
         "program_name": "Sept à huit",
         "program_type": "Information - Magazine",
         "duration": 85,
diff --git a/postgres/schemas/models.py b/postgres/schemas/models.py
index 419cdb05..a9613d11 100644
--- a/postgres/schemas/models.py
+++ b/postgres/schemas/models.py
@@ -111,6 +111,8 @@ class Program_Metadata(Base):
     public = Column(Boolean, nullable=True)
     infocontinue = Column(Boolean, nullable=True)
     radio = Column(Boolean, nullable=True)
+    program_grid_start = Column(DateTime(), nullable=True)
+    program_grid_end = Column(DateTime(), nullable=True)
 
 def get_sitemap(id: str):
     session = get_db_session()
@@ -179,6 +181,11 @@ def update_program_metadata(engine):
         with open(json_file_path, 'r') as f:
             data = json.load(f)
             
+            # full overwrite
+            logging.warning("Program_Metadata table! Full overwrite (delete/recreate)")
+            session.query(Program_Metadata).delete()
+            session.commit()
+
             for item in data:
                 metadata = {
                     'id': item['id'],
@@ -193,6 +200,8 @@ def update_program_metadata(engine):
                     'channel_program_type': item['program_type'],
                     'start': item['start'],
                     'end': item['end'],
+                    'program_grid_start': datetime.strptime(item['program_grid_start'], '%Y-%m-%d'),
+                    'program_grid_end': datetime.strptime(item['program_grid_end'], '%Y-%m-%d'),
                 }
                 session.merge(Program_Metadata(**metadata))
             
diff --git a/pyproject.toml b/pyproject.toml
index 25674ee7..417d420f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,6 +31,7 @@ sentry-sdk = "^2.13.0"
 modin = {extras = ["ray"], version = "^0.32.0"}
 numpy = "1.26.4"
 openpyxl = "^3.1.5"
+requests = "^2.32.3"
 [build-system]
 requires = ["poetry-core>=1.1"]
 build-backend = "poetry.core.masonry.api"
diff --git a/quotaclimat/data_processing/mediatree/api_import.py b/quotaclimat/data_processing/mediatree/api_import.py
index bace803c..2cdda10a 100644
--- a/quotaclimat/data_processing/mediatree/api_import.py
+++ b/quotaclimat/data_processing/mediatree/api_import.py
@@ -106,7 +106,7 @@ async def get_and_save_api_data(exit_event):
                 
                 for channel in channels:
                     try:
-                        programs_for_this_day = get_programs_for_this_day(day, channel, df_programs)
+                        programs_for_this_day = get_programs_for_this_day(day.tz_localize("Europe/Paris"), channel, df_programs)
 
                         for program in programs_for_this_day.itertuples(index=False):
                             start_epoch = program.start
@@ -239,7 +239,6 @@ def parse_reponse_subtitle(response_sub, channel = None, channel_program = "", c
             new_df : pd.DataFrame = json_normalize(response_sub.get('data')) # TODO UserWarning: json_normalize is not currently supported by PandasOnRay, defaulting to pandas implementation.
             logging.debug("Schema from API before formatting :\n%s", new_df.dtypes)
             pd.set_option('display.max_columns', None)
-            logging.debug("head:  :\n%s", new_df.head())
            
             logging.debug("setting timestamp")
             new_df['timestamp'] = new_df.apply(lambda x: pd.to_datetime(x['start'], unit='s', utc=True), axis=1)
@@ -284,11 +283,6 @@ async def main():
             logging.info(f"Ray context dahsboard available at : {context.dashboard_url}")
             logging.warning(f"Ray Information about the env: {ray.available_resources()}")
 
-            if(os.environ.get("COMPARE_DURATION") == "true"):
-                logging.warning(f"Comparaison between number_of_15/20/30/40 is activated")
-            else:
-                logging.warning(f"Comparaison between 15/20/30/40 is OFF")
-
             # Start batch job
             if(os.environ.get("UPDATE") == "true"):
                 asyncio.create_task(update_pg_data(event_finish))
diff --git a/quotaclimat/data_processing/mediatree/channel_program.json b/quotaclimat/data_processing/mediatree/channel_program.json
index f246ce3b..16d9f663 100644
--- a/quotaclimat/data_processing/mediatree/channel_program.json
+++ b/quotaclimat/data_processing/mediatree/channel_program.json
@@ -1,99 +1,136 @@
 [ 
-{"channel_name":"tf1","start":"6:55","end":"9:30","weekday":"weekday","program_name":"Bonjour ! La Matinale","program_type":"Information - Magazine"},
-{"channel_name":"tf1","start":"13:00","end":"13:40","weekday":"*","program_name":"JT 13h","program_type":"Information - Journal"},
-{"channel_name":"tf1","start":"19:55","end":"20:40","weekday":"*","program_name":"JT 20h + météo","program_type":"Information - Journal"},
-{"channel_name":"tf1","start":"13:40","end":"14:50","weekday":"6","program_name":"Reportage Découverte","program_type":"Information - Magazine"},
-{"channel_name":"tf1","start":"14:50","end":"16:00","weekday":"6","program_name":"Grands reportages","program_type":"Information - Magazine"},
-{"channel_name":"tf1","start":"17:15","end":"18:20","weekday":"6","program_name":"Sept à huit Life","program_type":"Information - Magazine"},
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+{"channel_name":"m6","start":"13:15","end":"13:55","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"2024-05-31","program_name":"1245 le mag","program_type":"Information - Magazine"},
+{"channel_name":"m6","start":"13:15","end":"13:25","weekday":"weekday","program_grid_start":"2024-06-01","program_grid_end":"","program_name":"1245 le mag","program_type":"Information - Magazine"},
+{"channel_name":"m6","start":"19:40","end":"20:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"JT 1945 + météo","program_type":"Information - Journal"},
+{"channel_name":"m6","start":"11:00","end":"12:30","weekday":"5","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"66 minutes samedi","program_type":"Information - Magazine"},
+{"channel_name":"m6","start":"17:20","end":"19:30","weekday":"6","program_grid_start":"2023-04-01","program_grid_end":"2024-06-25","program_name":"66 minutes","program_type":"Information - Magazine"},
+{"channel_name":"m6","start":"17:45","end":"19:30","weekday":"6","program_grid_start":"2023-04-01","program_grid_end":"2023-08-31","program_name":"66 minutes","program_type":"Information - Magazine"},
+{"channel_name":"m6","start":"17:20","end":"19:30","weekday":"6","program_grid_start":"2023-09-01","program_grid_end":"2024-01-14","program_name":"66 minutes","program_type":"Information - Magazine"},
+{"channel_name":"m6","start":"16:40","end":"19:30","weekday":"6","program_grid_start":"2024-01-15","program_grid_end":"2024-04-28","program_name":"66 minutes","program_type":"Information - Magazine"},
+{"channel_name":"m6","start":"17:20","end":"19:30","weekday":"6","program_grid_start":"2024-05-04","program_grid_end":"2024-06-30","program_name":"66 minutes","program_type":"Information - Magazine"},
+{"channel_name":"m6","start":"17:45","end":"19:30","weekday":"6","program_grid_start":"2024-07-04","program_grid_end":"2024-08-31","program_name":"66 minutes","program_type":"Information - Magazine"},
+{"channel_name":"m6","start":"17:20","end":"19:30","weekday":"6","program_grid_start":"2024-09-01","program_grid_end":"","program_name":"66 minutes","program_type":"Information - Magazine"},
+{"channel_name":"m6","start":"21:10","end":"23:15","weekday":"6","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Capital / Zone interdite","program_type":"Information - Magazine"},
+{"channel_name":"arte","start":"19:45","end":"20:05","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"JT","program_type":"Information - Journal"},
+{"channel_name":"arte","start":"20:05","end":"20:50","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"28 minutes","program_type":"Information - Magazine"},
+{"channel_name":"d8","start":"12:30","end":"13:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"2023-06-23","program_name":"Le journal du jour + météo","program_type":"Information - Journal"},
+{"channel_name":"d8","start":"12:30","end":"13:00","weekday":"weekday","program_grid_start":"2023-09-04","program_grid_end":"2024-06-28","program_name":"Le journal du jour + météo","program_type":"Information - Journal"},
+{"channel_name":"d8","start":"12:30","end":"13:00","weekday":"weekday","program_grid_start":"2024-09-02","program_grid_end":"","program_name":"Le journal du jour + météo","program_type":"Information - Journal"},
+{"channel_name":"bfmtv","start":"6:00","end":"23:00","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Information en continu","program_type":"Information en continu"},
+{"channel_name":"itele","start":"6:00","end":"23:00","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Information en continu","program_type":"Information en continu"},
+{"channel_name":"lci","start":"6:00","end":"23:00","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Information en continu","program_type":"Information en continu"},
+{"channel_name":"france24","start":"6:00","end":"23:00","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Information en continu","program_type":"Information en continu"},
+{"channel_name":"franceinfotv","start":"6:00","end":"23:00","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Information en continu","program_type":"Information en continu"},
+{"channel_name":"france-inter","start":"6:00","end":"7:00","weekday":"0","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 5/7","program_type":"Information - Magazine"},
+{"channel_name":"france-inter","start":"7:00","end":"10:00","weekday":"0","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 7/10","program_type":"Information - Magazine"},
+{"channel_name":"france-inter","start":"6:00","end":"7:00","weekday":"1","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 5/7","program_type":"Information - Magazine"},
+{"channel_name":"france-inter","start":"7:00","end":"10:00","weekday":"1","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 7/10","program_type":"Information - Magazine"},
+{"channel_name":"france-inter","start":"6:00","end":"7:00","weekday":"2","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 5/7","program_type":"Information - Magazine"},
+{"channel_name":"france-inter","start":"7:00","end":"10:00","weekday":"2","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 7/10","program_type":"Information - Magazine"},
+{"channel_name":"france-inter","start":"6:00","end":"7:00","weekday":"3","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 5/7","program_type":"Information - Magazine"},
+{"channel_name":"france-inter","start":"7:00","end":"10:00","weekday":"3","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 7/10","program_type":"Information - Magazine"},
+{"channel_name":"france-inter","start":"6:00","end":"9:00","weekday":"4","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 6/9","program_type":"Information - Magazine"},
+{"channel_name":"france-inter","start":"6:00","end":"9:00","weekday":"weekend","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 6/9","program_type":"Information - Magazine"},
+{"channel_name":"france-inter","start":"13:00","end":"14:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 13/14","program_type":"Information - Magazine"},
+{"channel_name":"france-inter","start":"13:00","end":"13:30","weekday":"weekend","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le journal de 13h du WE","program_type":"Information - Journal"},
+{"channel_name":"france-inter","start":"19:00","end":"20:00","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le 19/20","program_type":"Information - Magazine"},
+{"channel_name":"france-culture","start":"6:30","end":"9:00","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Les matins","program_type":"Information - Magazine"},
+{"channel_name":"france-culture","start":"12:30","end":"12:50","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal de 12h30","program_type":"Information - Journal"},
+{"channel_name":"france-culture","start":"18:00","end":"18:20","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal de 18h","program_type":"Information - Journal"},
+{"channel_name":"rtl","start":"6:00","end":"7:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"RTL Petit Matin","program_type":"Information - Magazine"},
+{"channel_name":"rtl","start":"7:00","end":"9:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"RTL Matin","program_type":"Information - Magazine"},
+{"channel_name":"rtl","start":"12:00","end":"13:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"RTL Midi","program_type":"Information - Magazine"},
+{"channel_name":"rtl","start":"18:00","end":"20:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"RTL Bonsoir","program_type":"Information - Magazine"},
+{"channel_name":"rtl","start":"18:00","end":"18:15","weekday":"5","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal","program_type":"Information - Journal"},
+{"channel_name":"rtl","start":"6:00","end":"9:15","weekday":"weekend","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"RTL Matin","program_type":"Information - Magazine"},
+{"channel_name":"rtl","start":"18:00","end":"19:15","weekday":"6","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"RTL Dimanche soir","program_type":"Information - Magazine"},
+{"channel_name":"rtl","start":"13:00","end":"14:00","weekday":"6","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Focus Dimanche","program_type":"Information - Magazine"},
+{"channel_name":"rmc","start":"6:30","end":"9:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Apolline Matin","program_type":"Information - Magazine"},
+{"channel_name":"rmc","start":"9:00","end":"12:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Les grandes gueules","program_type":"Information - Magazine"},
+{"channel_name":"rmc","start":"12:00","end":"15:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Estelle Midi","program_type":"Information - Magazine"},
+{"channel_name":"rmc","start":"6:30","end":"9:30","weekday":"weekend","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"La Matinale Week-end","program_type":"Information - Magazine"},
+{"channel_name":"europe1","start":"6:00","end":"7:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Bonjour","program_type":"Information - Magazine"},
+{"channel_name":"europe1","start":"7:00","end":"9:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Europe 1 Matin","program_type":"Information - Magazine"},
+{"channel_name":"europe1","start":"9:00","end":"9:30","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"L'heure des pros","program_type":"Information - Magazine"},
+{"channel_name":"europe1","start":"11:00","end":"13:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Pascal Praud et vous","program_type":"Information - Magazine"},
+{"channel_name":"europe1","start":"13:00","end":"14:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Europe 1 Matin","program_type":"Information - Magazine"},
+{"channel_name":"europe1","start":"18:00","end":"19:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Punchline","program_type":"Information - Magazine"},
+{"channel_name":"europe1","start":"19:00","end":"20:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Soir","program_type":"Information - Magazine"},
+{"channel_name":"europe1","start":"6:00","end":"9:00","weekday":"weekend","program_grid_start":"2023-04-01","program_grid_end":"","program_name":" Europe 1 Matin Week-end","program_type":"Information - Magazine"},
+{"channel_name":"europe1","start":"12:30","end":"13:00","weekday":"weekend","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Midi Week-end","program_type":"Information - Magazine"},
+{"channel_name":"europe1","start":"18:00","end":"19:00","weekday":"weekend","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Soir Week-end","program_type":"Information - Magazine"},
+{"channel_name":"sud-radio","start":"6:50","end":"10:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le Grand Matin","program_type":"Information - Magazine"},
+{"channel_name":"sud-radio","start":"7:00","end":"9:20","weekday":"weekend","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Le Grand Matin Week-end","program_type":"Information - Magazine"},
+{"channel_name":"sud-radio","start":"10:40","end":"12:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Mettez-vous d'accord","program_type":"Information - Magazine"},
+{"channel_name":"sud-radio","start":"12:00","end":"14:00","weekday":"weekday","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Sud Radio dans tous ses états","program_type":"Information - Magazine"},
+{"channel_name":"france-info","start":"6:00","end":"23:00","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Information en continu","program_type":"Information en continu"},
+{"channel_name":"rfi","start":"6:00","end":"6:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 6h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"7:00","end":"7:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 7h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"8:00","end":"8:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 8h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"9:00","end":"9:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 9h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"10:00","end":"10:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 10h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"11:00","end":"11:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 11h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"12:00","end":"12:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 12h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"13:00","end":"13:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 13h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"14:00","end":"14:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 14h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"15:00","end":"15:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 15h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"16:00","end":"16:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 16h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"17:00","end":"17:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 17h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"18:00","end":"18:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 18h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"19:00","end":"19:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 19h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"20:00","end":"20:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 20h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"21:00","end":"21:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 21h","program_type":"Information - Journal"},
+{"channel_name":"rfi","start":"22:00","end":"22:10","weekday":"*","program_grid_start":"2023-04-01","program_grid_end":"","program_name":"Journal - 22h","program_type":"Information - Journal"}
 ]
diff --git a/quotaclimat/data_processing/mediatree/channel_program.py b/quotaclimat/data_processing/mediatree/channel_program.py
index 11bd58e1..d7f205c7 100644
--- a/quotaclimat/data_processing/mediatree/channel_program.py
+++ b/quotaclimat/data_processing/mediatree/channel_program.py
@@ -3,12 +3,7 @@
 import os
 from datetime import datetime
 import json
-from quotaclimat.data_processing.mediatree.utils import get_epoch_from_datetime, EPOCH__5MIN_MARGIN, EPOCH__1MIN_MARGIN
-
-def format_hour_minute(time: str) -> pd.Timestamp:
-    date_str = "1970-01-01"
-    logging.debug(f"format_hour_minute with : {time}")
-    return pd.to_datetime(date_str + " " + time)
+from quotaclimat.data_processing.mediatree.utils import get_epoch_from_datetime, EPOCH__5MIN_MARGIN, EPOCH__1MIN_MARGIN, get_timestamp_from_yyyymmdd,format_hour_minute
 
 def get_programs():
     logging.debug("Getting program tv/radio...")
@@ -20,9 +15,11 @@ def get_programs():
             json_data = json.load(file)
             df_programs = pd.DataFrame(json_data)
 
-            df_programs[['start', 'end']] = df_programs.apply(lambda x: pd.Series({
+            df_programs[['start', 'end', 'program_grid_start', 'program_grid_end']] = df_programs.apply(lambda x: pd.Series({
                 'start': format_hour_minute(x['start']),
-                'end': format_hour_minute(x['end'])
+                'end': format_hour_minute(x['end']),
+                'program_grid_start': get_timestamp_from_yyyymmdd(x['program_grid_start']),
+                'program_grid_end': get_timestamp_from_yyyymmdd(x['program_grid_end'])
             }), axis=1)
 
     except (Exception) as error:
@@ -110,18 +107,22 @@ def get_matching_program_hour(df_program: pd.DataFrame, start_time: pd.Timestamp
 def get_matching_program_weekday(df_program: pd.DataFrame, start_time: pd.Timestamp, channel_name: str):
     logging.debug(f"get_matching_program_weekday {start_time} {channel_name}")
     start_weekday = get_day_of_week(start_time)
-    logging.debug(df_program['weekday'].unique())
+
     if "weekday_mask" in df_program.columns:
         df_program.drop(columns=["weekday_mask"], inplace=True)
     df_program["weekday_mask"] = df_program['weekday'].apply(lambda x: compare_weekday(x, start_weekday), axis=1)
 
     matching_rows = df_program[
                         (df_program['channel_name'] == channel_name) &
-                        (df_program["weekday_mask"] == True)
+                        (df_program["weekday_mask"] == True) &
+                        (df_program["program_grid_start"] <= start_time) &
+                        (df_program["program_grid_end"] >= start_time)
                     ]
 
     matching_rows.drop(columns=['weekday_mask'], inplace=True)
     matching_rows.drop(columns=['weekday'], inplace=True)
+    matching_rows.drop(columns=['program_grid_start'], inplace=True)
+    matching_rows.drop(columns=['program_grid_end'], inplace=True)
     
     if matching_rows.empty:
         logging.warning(f"Program tv : no matching rows found {channel_name} for weekday {start_weekday} - {start_time}")
@@ -134,13 +135,17 @@ def get_a_program_with_start_timestamp(df_program: pd.DataFrame, start_time: pd.
 
     if not matching_rows.empty:
         logging.debug(f"matching_rows {matching_rows}")
+        # TODO should return closest to start_time
         return matching_rows.iloc[0]['program_name'], matching_rows.iloc[0]['program_type']
     else:
         logging.warning(f"no programs found for {channel_name} - {start_time}")
         return "", ""
 
 def process_subtitle(row, df_program):
-        channel_program, channel_program_type = get_a_program_with_start_timestamp(df_program, row['start'], row['channel_name'])
+        channel_program, channel_program_type = get_a_program_with_start_timestamp(df_program, \
+                                                                                   row['start'], \
+                                                                                   row['channel_name']
+                                                                                )
         row['channel_program'] = str(channel_program)
         row['channel_program_type'] = str(channel_program_type)
         return row
diff --git a/quotaclimat/data_processing/mediatree/utils.py b/quotaclimat/data_processing/mediatree/utils.py
index 8344659b..c7dc6219 100644
--- a/quotaclimat/data_processing/mediatree/utils.py
+++ b/quotaclimat/data_processing/mediatree/utils.py
@@ -106,4 +106,15 @@ def get_date_range(start_date_to_query, end_epoch):
 def is_it_tuesday(date):
     weekday = date.weekday()
     logging.debug(f"weekday : {weekday}")
-    return weekday
\ No newline at end of file
+    return weekday
+
+def format_hour_minute(time: str) -> pd.Timestamp:
+    date_str = "1970-01-01"
+    logging.debug(f"format_hour_minute with : {time}")
+    return pd.to_datetime(date_str + " " + time)
+
+def get_timestamp_from_yyyymmdd(time: str) -> pd.Timestamp:
+    if(time == ""):
+        return (pd.Timestamp.now() + pd.DateOffset(years=100)).tz_localize("Europe/Paris")
+    else:
+        return pd.Timestamp(pd.to_datetime(time)).tz_localize("Europe/Paris")
\ No newline at end of file
diff --git a/test/sitemap/test_program_metadata.py b/test/sitemap/test_program_metadata.py
index 4d3cc9cd..626e3263 100644
--- a/test/sitemap/test_program_metadata.py
+++ b/test/sitemap/test_program_metadata.py
@@ -140,7 +140,7 @@ def test_add_channel_program_france2_jt():
 
 def test_get_programs_for_this_day_thusday_morning_france2():
     df_programs = get_programs()
-    programs = get_programs_for_this_day(pd.to_datetime(thrusday_morning, unit='s').normalize(), channel_name, df_programs)
+    programs = get_programs_for_this_day(pd.to_datetime(thrusday_morning, unit='s').tz_localize('Europe/Paris'), channel_name, df_programs)
     debug_df(programs)
     expected = pd.DataFrame([
         {"channel_name":"france2","start":1712808000,"end":1712809500,"program_name":"Le 6h Info", "program_type":"Information - Journal"},
@@ -177,10 +177,17 @@ def test_format_hour_minute_double_digit():
  
 def test_get_programs_for_this_day_thusday_morning_franceinfo():
     df_programs = get_programs()
-    programs = get_programs_for_this_day(pd.to_datetime(thrusday_morning, unit='s').normalize(), "france-info", df_programs)
+    
+    thrusday_morning_ts = pd.to_datetime(thrusday_morning, unit='s').tz_localize('Europe/Paris')
+    programs = get_programs_for_this_day(thrusday_morning_ts, "france-info", df_programs)
     debug_df(programs)
     expected = pd.DataFrame([
-        {"channel_name":"france-info","start":1712808000,"end":1712869200,"program_name":"Information en continu", "program_type":"Information en continu"},
+        {"channel_name":"france-info",
+         "start":1712808000,
+         "end":1712869200,
+         "program_name":"Information en continu", 
+         "program_type":"Information en continu"
+         },
  ])
 
     pd.testing.assert_frame_equal(programs._to_pandas().reset_index(drop=True), expected.reset_index(drop=True))
@@ -237,6 +244,34 @@ def test_get_6h26_friday_fr2_with_margin_program_with_start_timestamp():
     assert program_name == "Le 6h Info"
     assert program_type == "Information - Journal"
 
+
+def test_get_old_jt_20hweekday_20h19_friday_fr2():
+    df_programs = get_programs()
+    friday_20h19 = 1722622741
+    program_name, program_type = get_a_program_with_start_timestamp(df_programs,\
+                                                                    pd.to_datetime(friday_20h19, unit='s', utc=True).tz_convert('Europe/Paris'),\
+                                                                    "france2")
+    assert program_name == "JT 20h + météo"
+    assert program_type == "Information - Journal"
+
+def test_get_old_no_match_on_new_program_date_jt_20hweekday_20h55_friday_fr2():
+    df_programs = get_programs()
+    friday_20h19 = 1722624901
+    program_name, program_type = get_a_program_with_start_timestamp(df_programs,\
+                                                                    pd.to_datetime(friday_20h19, unit='s', utc=True).tz_convert('Europe/Paris'),\
+                                                                    "france2")
+    assert program_name == ""
+    assert program_type == ""
+
+def test_get_new_jt_20hweekday_20h55_friday_fr2():
+    df_programs = get_programs()
+    friday_20h55 = 1727376901
+    program_name, program_type = get_a_program_with_start_timestamp(df_programs,\
+                                                                    pd.to_datetime(friday_20h55, unit='s', utc=True).tz_convert('Europe/Paris'),\
+                                                                    "france2")
+    assert program_name == "JT 20h + météo"
+    assert program_type == "Information - Journal"
+
 def test_compare_weekday_string():
     assert compare_weekday('*', 0) == True
     assert compare_weekday('*', 3) == True
diff --git a/transform_program.py b/transform_program.py
index 4f2b1345..95d1afc2 100644
--- a/transform_program.py
+++ b/transform_program.py
@@ -152,6 +152,9 @@ def generate_program_id(channel_name, weekday, program_name):
     end_time = program_data['end']
     duration_minutes = calculate_duration(start_time, end_time)
     
+    if program_data['program_grid_end'] == "":
+        program_data['program_grid_end'] = '2100-01-01'
+
     # Add duration to the program data
     program_data['duration'] = duration_minutes