diff --git a/package.json b/package.json
index 6082d8b..4b6209a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hylo-shared",
-  "version": "5.1.3",
+  "version": "5.1.4",
   "description": "Code shared across Hylo applications for consistency of results",
   "repository": {
     "type": "git",
@@ -46,6 +46,7 @@
   },
   "dependencies": {
     "coordinate-parser": "^1.0.7",
+    "get-user-locale": "^2.1.1",
     "html-to-text": "^8.1.0",
     "lodash": "~4.17.21",
     "marked": "^4.2.1",
@@ -56,7 +57,7 @@
     "validator": "^13.7.0"
   },
   "peerDependencies": {
-    "moment-timezone": "^0.5.37"
+    "luxon": "^3.2.1"
   },
   "devDependencies": {
     "@babel/core": "^7.17.0",
@@ -67,9 +68,9 @@
     "concurrently": "^7.0.0",
     "eslint": "^8.8.0",
     "jest": "^27.5.0",
+    "luxon": "^3.2.1",
     "microbundle": "^0.15.1",
-    "moment-timezone": "^0.5.37",
     "standard": "^16.0.4",
     "wml": "^0.0.83"
   }
-}
+}
\ No newline at end of file
diff --git a/src/TextHelpers.js b/src/TextHelpers.js
index 24a53c5..c30975e 100644
--- a/src/TextHelpers.js
+++ b/src/TextHelpers.js
@@ -2,7 +2,7 @@ import { convert as convertHtmlToText } from 'html-to-text'
 import { isURL } from 'validator'
 import { marked } from 'marked'
 import merge from 'lodash/fp/merge'
-import moment from 'moment-timezone'
+import { DateTime } from 'luxon'
 import prettyDate from 'pretty-date'
 import truncHTML from 'trunc-html'
 import truncText from 'trunc-text'
@@ -21,7 +21,7 @@ export function insaneOptions (providedInsaneOptions) {
       allowedAttributes: providedInsaneOptions?.allowedAttributes || {
         a: [
           'class', 'target', 'href',
-          'data-type', 'data-id','data-label',
+          'data-type', 'data-id', 'data-label',
           'data-user-id', 'data-entity-type', 'data-search'
         ],
         span: [
@@ -153,38 +153,40 @@ export function humanDate (date, short) {
     .replace(/ month(s?)/, ' mo$1')
 }
 
-export const formatDatePair = (startTime, endTime, returnAsObj) => {
-  const start = moment.tz(startTime, moment.tz.guess())
-  const end = moment.tz(endTime, moment.tz.guess())
+export const formatDatePair = (locale = 'en', startTime, endTime, returnAsObj) => {
+  const dateWithTime = { ...DateTime.DATE_MED_WITH_WEEKDAY, hour: 'numeric', minute: 'numeric' }
+  const dateWithTimeAndOffset = { ...DateTime.DATE_MED_WITH_WEEKDAY, hour: 'numeric', minute: 'numeric', timeZoneName: 'short' }
+  const dateNoYearWithTime = { weekday: 'short', month: 'short', day: 'numeric', hour: 'numeric', minute: 'numeric' }
+  const dateNoYearWithTimeAndOffset = { weekday: 'short', month: 'short', day: 'numeric', hour: 'numeric', minute: 'numeric', timeZoneName: 'short' }
+  const start = startTime ? DateTime.fromISO(startTime, { locale }) : null
+  const end = endTime ? DateTime.fromISO(endTime, { locale }) : null
 
-  const now = moment()
-  const isThisYear = start.year() === now.year() && end.year() === now.year()
+  const now = DateTime.local({ locale })
+  const isThisYear = start.year === now.year && end.year === now.year
 
   let to = ''
   let from = ''
 
   if (isThisYear) {
-    from = endTime ? start.format('ddd, MMM D [at] h:mmA') : start.format('ddd, MMM D [at] h:mmA z')
+    from = endTime ? start.toLocaleString(dateNoYearWithTime) : start.toLocaleString(dateNoYearWithTimeAndOffset)
   } else {
-    from = endTime ? start.format('ddd, MMM D, YYYY [at] h:mmA') : start.format('ddd, MMM D, YYYY [at] h:mmA z')
+    from = endTime ? start.toLocaleString(dateWithTime) : start.toLocaleString(dateWithTimeAndOffset)
   }
-
   if (endTime) {
-    if (end.year() !== start.year()) {
-      to = end.format('ddd, MMM D, YYYY [at] h:mmA z')
-    } else if (end.month() !== start.month() ||
-               end.day() !== start.day() ||
+    if (end.year !== start.year && !isThisYear) {
+      to = end.toLocaleString(dateWithTimeAndOffset)
+    } else if (end.month !== start.month ||
+               end.day !== start.day ||
                end <= now) {
-      to = end.format('ddd, MMM D [at] h:mmA z')
+      to = end.toLocaleString(dateNoYearWithTimeAndOffset)
     } else {
-      to = end.format('h:mmA z')
+      to = end.toLocaleString(DateTime.TIME_WITH_SHORT_OFFSET)
     }
     to = returnAsObj ? to : ' - ' + to
   }
-
   return returnAsObj ? { from, to } : from + to
 }
 
 export function isDateInTheFuture (date) {
-  return moment(date).isAfter(moment())
+  return typeof date === 'number' ? DateTime.fromMillis(date) > DateTime.now() : DateTime.fromISO(date) > DateTime.now()
 }
diff --git a/src/TextHelpers.test.js b/src/TextHelpers.test.js
index 0e4bef5..c24cd89 100644
--- a/src/TextHelpers.test.js
+++ b/src/TextHelpers.test.js
@@ -1,5 +1,9 @@
 import * as TextHelpers from '../src/TextHelpers'
-import moment from 'moment-timezone'
+import { DateTime, Settings } from 'luxon'
+
+beforeEach(() => {
+  Settings.now = () => new Date(2022, 6, 1).valueOf()
+})
 
 describe('presentHTMLToText', () => {
   it("shouldn't include text of href on links", () => {
@@ -40,17 +44,23 @@ describe('markdown', () => {
 
 describe('formatDatePair', () => {
   it('displays differences of dates', () => {
-    const d1 = moment.tz(1551908483315, 'Etc/GMT').month(1).day(1).hour(18)
-    const d2 = moment.tz(d1, 'Etc/GMT').hour(21)
-    const d3 = moment.tz(d2, 'Etc/GMT').day(2)
-    const d4 = moment.tz(d3, 'Etc/GMT').month(2)
-    const d5 = moment.tz(d3, 'Etc/GMT').year(2050)
-
-    expect(TextHelpers.formatDatePair(d1)).toMatchSnapshot()
-    expect(TextHelpers.formatDatePair(d1, d2)).toMatchSnapshot()
-    expect(TextHelpers.formatDatePair(d1, d3)).toMatchSnapshot()
-    expect(TextHelpers.formatDatePair(d1, d4)).toMatchSnapshot()
-    expect(TextHelpers.formatDatePair(d1, d5)).toMatchSnapshot()
+    const locale = 'en'
+    const d1 = DateTime.local(2019, 2, 4, 11, 41)
+    const d2 = DateTime.local(2019, 2, 4, 14, 41)
+    const d3 = DateTime.local(2019, 2, 5, 14, 41)
+    const d4 = DateTime.local(2019, 3, 5, 14, 41)
+    const d5 = DateTime.local(2050, 2, 5, 14, 41)
+    const d6 = DateTime.local(DateTime.now().year, 2, 5, 14, 41)
+    const d7 = DateTime.local(DateTime.now().year, 3, 5, 14, 41)
+
+    expect(TextHelpers.formatDatePair(locale, d1)).toMatchSnapshot()
+    expect(TextHelpers.formatDatePair(locale, d1, d2)).toMatchSnapshot()
+    expect(TextHelpers.formatDatePair(locale, d1, d3)).toMatchSnapshot()
+    expect(TextHelpers.formatDatePair(locale, d1, d4)).toMatchSnapshot()
+    expect(TextHelpers.formatDatePair(locale, d1, d5)).toMatchSnapshot()
+    expect(TextHelpers.formatDatePair(locale, d1, d6)).toMatchSnapshot()
+    expect(TextHelpers.formatDatePair(locale, d6, d5)).toMatchSnapshot()
+    expect(TextHelpers.formatDatePair(locale, d6, d7)).toMatchSnapshot()
   })
 })
 
diff --git a/src/__snapshots__/TextHelpers.test.js.snap b/src/__snapshots__/TextHelpers.test.js.snap
index 32db0a3..18e11d1 100644
--- a/src/__snapshots__/TextHelpers.test.js.snap
+++ b/src/__snapshots__/TextHelpers.test.js.snap
@@ -1,11 +1,17 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`formatDatePair displays differences of dates 1`] = `"Mon, Feb 4, 2019 at 11:41AM MST"`;
+exports[`formatDatePair displays differences of dates 1`] = `"Mon, Feb 4, 2019, 11:41 AM CST"`;
 
-exports[`formatDatePair displays differences of dates 2`] = `"Mon, Feb 4, 2019 at 11:41AM - Mon, Feb 4 at 2:41PM MST"`;
+exports[`formatDatePair displays differences of dates 2`] = `"Mon, Feb 4, 2019, 11:41 AM - Mon, Feb 4, 2:41 PM CST"`;
 
-exports[`formatDatePair displays differences of dates 3`] = `"Mon, Feb 4, 2019 at 11:41AM - Tue, Feb 5 at 2:41PM MST"`;
+exports[`formatDatePair displays differences of dates 3`] = `"Mon, Feb 4, 2019, 11:41 AM - Tue, Feb 5, 2:41 PM CST"`;
 
-exports[`formatDatePair displays differences of dates 4`] = `"Mon, Feb 4, 2019 at 11:41AM - Tue, Mar 5 at 2:41PM MST"`;
+exports[`formatDatePair displays differences of dates 4`] = `"Mon, Feb 4, 2019, 11:41 AM - Tue, Mar 5, 2:41 PM CST"`;
 
-exports[`formatDatePair displays differences of dates 5`] = `"Mon, Feb 4, 2019 at 11:41AM - Sat, Feb 5, 2050 at 2:41PM MST"`;
+exports[`formatDatePair displays differences of dates 5`] = `"Mon, Feb 4, 2019, 11:41 AM - Sat, Feb 5, 2050, 2:41 PM CST"`;
+
+exports[`formatDatePair displays differences of dates 6`] = `"Mon, Feb 4, 2019, 11:41 AM - Sat, Feb 5, 2022, 2:41 PM CST"`;
+
+exports[`formatDatePair displays differences of dates 7`] = `"Sat, Feb 5, 2022, 2:41 PM - Sat, Feb 5, 2050, 2:41 PM CST"`;
+
+exports[`formatDatePair displays differences of dates 8`] = `"Sat, Feb 5, 2:41 PM - Sat, Mar 5, 2:41 PM CST"`;
diff --git a/yarn.lock b/yarn.lock
index babd4f1..beddc67 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1513,6 +1513,18 @@
   resolved "https://registry.yarnpkg.com/@types/json5/-/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
   integrity sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==
 
+"@types/lodash.memoize@^4.1.7":
+  version "4.1.7"
+  resolved "https://registry.yarnpkg.com/@types/lodash.memoize/-/lodash.memoize-4.1.7.tgz#aff94ab32813c557cbc1104e127030e3d60a3b27"
+  integrity sha512-lGN7WeO4vO6sICVpf041Q7BX/9k1Y24Zo3FY0aUezr1QlKznpjzsDk3T3wvH8ofYzoK0QupN9TWcFAFZlyPwQQ==
+  dependencies:
+    "@types/lodash" "*"
+
+"@types/lodash@*":
+  version "4.14.191"
+  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.191.tgz#09511e7f7cba275acd8b419ddac8da9a6a79e2fa"
+  integrity sha512-BdZ5BCCvho3EIXw6wUCXHe7rS53AIDPLE+JzwgT+OsJk53oBfbSmZZ7CX4VaRoN78N+TJpFi9QPlfIVNmJYWxQ==
+
 "@types/node@*":
   version "18.8.3"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-18.8.3.tgz#ce750ab4017effa51aed6a7230651778d54e327c"
@@ -3228,6 +3240,14 @@ get-symbol-description@^1.0.0:
     call-bind "^1.0.2"
     get-intrinsic "^1.1.1"
 
+get-user-locale@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/get-user-locale/-/get-user-locale-2.1.1.tgz#fdd86a8391a761d0d2068bb1b0b319fb4a3505b3"
+  integrity sha512-xtAOGym5MxC379wYMeyheReND4tEWKDQfDM2ar4uX5g9x7sxl6AnB4yNzPNTP3BP0HQm4psDHtMuKjx7v3NXHw==
+  dependencies:
+    "@types/lodash.memoize" "^4.1.7"
+    lodash.memoize "^4.1.1"
+
 glob-parent@^5.0.0, glob-parent@^5.1.2:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.2.tgz#869832c58034fe68a4093c17dc15e8340d8401c4"
@@ -4467,7 +4487,7 @@ lodash.debounce@^4.0.8:
   resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
   integrity sha512-FT1yDzDYEoYWhnSGnpE/4Kj1fLZkDFyqRb7fNt6FdYOSxlUWAtp42Eh6Wb0rGIv/m9Bgo7x4GhQbm5Ys4SG5ow==
 
-lodash.memoize@^4.1.2:
+lodash.memoize@^4.1.1, lodash.memoize@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
   integrity sha512-t7j+NzmgnQzTAYXcsHYLgimltOV1MXHtlOWf6GjL9Kj8GK5FInw5JotxvbOs+IvV1/Dzo04/fCGfLVs7aXb4Ag==
@@ -4506,6 +4526,11 @@ lru-cache@^6.0.0:
   dependencies:
     yallist "^4.0.0"
 
+luxon@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/luxon/-/luxon-3.2.1.tgz#14f1af209188ad61212578ea7e3d518d18cee45f"
+  integrity sha512-QrwPArQCNLAKGO/C+ZIilgIuDnEnKx5QYODdDtbFaxzsbZcc/a7WFq7MhsVYgRlwawLtvOUESTlfJ+hc/USqPg==
+
 magic-string@^0.25.0, magic-string@^0.25.7:
   version "0.25.9"
   resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.25.9.tgz#de7f9faf91ef8a1c91d02c2e5314c8277dbcdd1c"
@@ -4649,18 +4674,6 @@ minimist@^1.2.0, minimist@^1.2.5, minimist@^1.2.6:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.6.tgz#8637a5b759ea0d6e98702cfb3a9283323c93af44"
   integrity sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==
 
-moment-timezone@^0.5.37:
-  version "0.5.37"
-  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.37.tgz#adf97f719c4e458fdb12e2b4e87b8bec9f4eef1e"
-  integrity sha512-uEDzDNFhfaywRl+vwXxffjjq1q0Vzr+fcQpQ1bU0kbzorfS7zVtZnCnGc8mhWmF39d4g4YriF6kwA75mJKE/Zg==
-  dependencies:
-    moment ">= 2.9.0"
-
-"moment@>= 2.9.0":
-  version "2.29.4"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.4.tgz#3dbe052889fe7c1b2ed966fcb3a77328964ef108"
-  integrity sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==
-
 moo@^0.5.0, moo@^0.5.1:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/moo/-/moo-0.5.2.tgz#f9fe82473bc7c184b0d32e2215d3f6e67278733c"