diff --git a/app/controllers/releases/lts.js b/app/controllers/releases/lts.js
index 4dbf7ad9..5cd735e9 100644
--- a/app/controllers/releases/lts.js
+++ b/app/controllers/releases/lts.js
@@ -6,97 +6,97 @@ export default class ReleasesLtsController extends Controller {
   emberLtsReleases = [
     {
       version: '6.4',
-      promotionDate: new Date('2025-06-09'),
+      promotionDate: new Date('2025-06-09T18:42:37.463Z'),
       isActive: true,
     },
     {
       version: '5.12',
-      promotionDate: new Date('2024-09-30'),
+      promotionDate: new Date('2024-09-30T18:20:54.703Z'),
       isActive: false,
     },
     {
       version: '5.8',
-      promotionDate: new Date('2024-06-03'),
+      promotionDate: new Date('2024-06-03T12:00:00Z'),
       isActive: false,
     },
     {
       version: '5.4',
-      promotionDate: new Date('2023-12-11'),
+      promotionDate: new Date('2023-12-10T12:00:00Z'),
       isActive: false,
     },
     {
       version: '4.12',
-      promotionDate: new Date('2023-05-14'),
+      promotionDate: new Date('2023-05-14T12:00:00Z'),
       isActive: false,
     },
     {
       version: '4.8',
-      promotionDate: new Date('2022-12-08'),
+      promotionDate: new Date('2022-12-08T12:00:00Z'),
       isActive: false,
     },
     {
       version: '4.4',
-      promotionDate: new Date('2022-07-13'),
+      promotionDate: new Date('2022-07-13T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.28',
-      promotionDate: new Date('2021-12-20'),
+      promotionDate: new Date('2021-12-20T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.24',
-      promotionDate: new Date('2021-02-25'),
+      promotionDate: new Date('2021-02-25T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.20',
-      promotionDate: new Date('2020-09-02'),
+      promotionDate: new Date('2020-09-02T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.16',
-      promotionDate: new Date('2020-03-16'),
+      promotionDate: new Date('2020-03-16T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.12',
-      promotionDate: new Date('2019-09-25'),
+      promotionDate: new Date('2019-09-25T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.8',
-      promotionDate: new Date('2019-04-10'),
+      promotionDate: new Date('2019-04-10T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.4',
-      promotionDate: new Date('2018-10-15'),
+      promotionDate: new Date('2018-10-15T12:00:00Z'),
       isActive: false,
     },
     {
       version: '2.18',
-      promotionDate: new Date('2018-02-14'),
+      promotionDate: new Date('2018-02-14T12:00:00Z'),
       isActive: false,
     },
     {
       version: '2.16',
-      promotionDate: new Date('2017-11-20'),
+      promotionDate: new Date('2017-11-20T12:00:00Z'),
       isActive: false,
     },
     {
       version: '2.12',
-      promotionDate: new Date('2017-04-29'),
+      promotionDate: new Date('2017-04-29T12:00:00Z'),
       isActive: false,
     },
     {
       version: '2.8',
-      promotionDate: new Date('2016-10-17'),
+      promotionDate: new Date('2016-10-17T12:00:00Z'),
       isActive: false,
     },
     {
       version: '2.4',
-      promotionDate: new Date('2016-04-11'),
+      promotionDate: new Date('2016-04-11T12:00:00Z'),
       isActive: false,
     },
   ];
@@ -104,82 +104,82 @@ export default class ReleasesLtsController extends Controller {
   dataLtsReleases = [
     {
       version: '5.3',
-      promotionDate: new Date('2023-12-10'),
+      promotionDate: new Date('2023-12-10T12:00:00Z'),
       isActive: true,
     },
     {
       version: '4.12',
-      promotionDate: new Date('2023-05-14'),
+      promotionDate: new Date('2023-05-14T12:00:00Z'),
       isActive: true,
     },
     {
       version: '4.8',
-      promotionDate: new Date('2022-12-08'),
+      promotionDate: new Date('2022-12-08T12:00:00Z'),
       isActive: false,
     },
     {
       version: '4.4',
-      promotionDate: new Date('2022-07-13'),
+      promotionDate: new Date('2022-07-13T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.28',
-      promotionDate: new Date('2021-12-20'),
+      promotionDate: new Date('2021-12-20T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.24',
-      promotionDate: new Date('2021-02-25'),
+      promotionDate: new Date('2021-02-25T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.20',
-      promotionDate: new Date('2020-09-02'),
+      promotionDate: new Date('2020-09-02T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.16',
-      promotionDate: new Date('2020-03-16'),
+      promotionDate: new Date('2020-03-16T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.12',
-      promotionDate: new Date('2019-09-25'),
+      promotionDate: new Date('2019-09-25T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.8',
-      promotionDate: new Date('2019-04-10'),
+      promotionDate: new Date('2019-04-10T12:00:00Z'),
       isActive: false,
     },
     {
       version: '3.4',
-      promotionDate: new Date('2018-10-15'),
+      promotionDate: new Date('2018-10-15T12:00:00Z'),
       isActive: false,
     },
     {
       version: '2.18',
-      promotionDate: new Date('2018-02-14'),
+      promotionDate: new Date('2018-02-14T04:46:38.701Z'),
       isActive: false,
     },
     {
       version: '2.16',
-      promotionDate: new Date('2017-11-20'),
+      promotionDate: new Date('2017-11-20T12:00:00Z'),
       isActive: false,
     },
     {
       version: '2.12',
-      promotionDate: new Date('2017-04-29'),
+      promotionDate: new Date('2017-04-29T12:00:00Z'),
       isActive: false,
     },
     {
       version: '2.8',
-      promotionDate: new Date('2016-10-17'),
+      promotionDate: new Date('2016-10-17T12:00:00Z'),
       isActive: false,
     },
     {
       version: '2.4',
-      promotionDate: new Date('2016-04-11'),
+      promotionDate: new Date('2016-04-11T12:00:00Z'),
       isActive: false,
     },
   ];
diff --git a/data/project/ember/beta.md b/data/project/ember/beta.md
index 420b7c76..6274a310 100644
--- a/data/project/ember/beta.md
+++ b/data/project/ember/beta.md
@@ -7,7 +7,7 @@ filter:
 repo: emberjs/ember.js
 lastRelease: 6.6.0-beta.1 # Manually update See https://libraries.io/npm/ember-source throughout
 channel: beta
-date: 2025-06-09 # Manually update, get date for `initialVersion`
+date: 2025-06-09T12:00:00Z # Manually update, get date for `initialVersion`
 changelogPath: CHANGELOG.md
 debugFileName: .debug.js
 ignoreFiles:
diff --git a/data/project/ember/lts.md b/data/project/ember/lts.md
index 9fe71c9e..40d8134a 100644
--- a/data/project/ember/lts.md
+++ b/data/project/ember/lts.md
@@ -7,7 +7,7 @@ filter:
 repo: emberjs/ember.js
 lastRelease: 6.4.0
 channel: lts
-date: 2025-04-28
+date: 2025-04-28T12:00:00Z
 changelogPath: CHANGELOG.md
 debugFileName: .debug.js
 ignoreFiles:
diff --git a/data/project/ember/release.md b/data/project/ember/release.md
index 7a9d4361..346edc1e 100644
--- a/data/project/ember/release.md
+++ b/data/project/ember/release.md
@@ -7,7 +7,7 @@ filter:
 repo: emberjs/ember.js
 lastRelease: 6.5.0 # Manually update, see https://libraries.io/npm/ember-source throughout
 channel: release
-date: 2025-06-09 # Manually update, is today's date
+date: 2025-06-09T18:42:37.463Z # Manually update, is today's date
 changelogPath: CHANGELOG.md
 debugFileName: .debug.js
 ignoreFiles: