diff --git a/app/assets/javascripts/lib/utils/datetime/date_format_utility.js b/app/assets/javascripts/lib/utils/datetime/date_format_utility.js
index 6974af62276674d83621f6e73f2221716944dba5..51244b4ffd5491279e1a8ef870e0558b460ea6f6 100644
--- a/app/assets/javascripts/lib/utils/datetime/date_format_utility.js
+++ b/app/assets/javascripts/lib/utils/datetime/date_format_utility.js
@@ -510,3 +510,18 @@ export const formatTimeSpent = (seconds, limitToHours) => {
   const negative = seconds < 0;
   return (negative ? '- ' : '') + stringifyTime(parseSeconds(seconds, { limitToHours }));
 };
+
+/**
+ * Formats a date into ISO 8601 date format (yyyy-mm-dd)
+ * @param { number } year The full year (e.g., 2023)
+ * @param { number } monthIndex The zero-based month index (0-11, where 0 = January)
+ * @param { number } day The day of the month (1-31)
+ * @returns { string } Date string in ISO 8601 format (yyyy-mm-dd)
+ * @example formatIso8601Date(2023, 0, 15) // returns '2023-01-15'
+ */
+export const formatIso8601Date = (year, monthIndex, day) => {
+  return [year, monthIndex + 1, day]
+    .map(String)
+    .map((s) => s.padStart(2, '0'))
+    .join('-');
+};
diff --git a/ee/app/assets/javascripts/usage_quotas/pipelines/components/app.vue b/ee/app/assets/javascripts/usage_quotas/pipelines/components/app.vue
index 238bee24254fbc1a7f5d2a58b9f9d6d986362a39..e9f415ae298cff2c68d177d68d52b65882f7fafc 100644
--- a/ee/app/assets/javascripts/usage_quotas/pipelines/components/app.vue
+++ b/ee/app/assets/javascripts/usage_quotas/pipelines/components/app.vue
@@ -9,7 +9,7 @@ import {
   GlSprintf,
 } from '@gitlab/ui';
 import { getSubscriptionPermissionsData } from 'ee/fulfillment/shared_queries/subscription_actions_reason.customer.query.graphql';
-import { getMonthNames } from '~/lib/utils/datetime_utility';
+import { getMonthNames, formatIso8601Date } from '~/lib/utils/datetime_utility';
 import { TYPENAME_GROUP } from '~/graphql_shared/constants';
 import { convertToGraphQLId } from '~/graphql_shared/utils';
 import { captureException } from '~/ci/runner/sentry_utils';
@@ -21,7 +21,7 @@ import getCiMinutesUsageNamespace from '../graphql/queries/ci_minutes.query.grap
 import getCiMinutesUsageNamespaceProjects from '../graphql/queries/ci_minutes_projects.query.graphql';
 import { ERROR_MESSAGE, LABEL_BUY_ADDITIONAL_MINUTES } from '../constants';
 import { USAGE_BY_MONTH_HEADER, USAGE_BY_PROJECT_HEADER } from '../../constants';
-import { getUsageDataByYearAsArray, formatIso8601Date } from '../utils';
+import { getUsageDataByYearAsArray } from '../utils';
 import LimitedAccessModal from '../../components/limited_access_modal.vue';
 import ProjectList from './project_list.vue';
 import MinutesUsagePerMonth from './minutes_usage_per_month.vue';
diff --git a/ee/app/assets/javascripts/usage_quotas/pipelines/utils.js b/ee/app/assets/javascripts/usage_quotas/pipelines/utils.js
index a2d94da8a0bf2cc6641981fd76fbdf32344623aa..917d537b73e935aa0113020ca393b5901367b0d1 100644
--- a/ee/app/assets/javascripts/usage_quotas/pipelines/utils.js
+++ b/ee/app/assets/javascripts/usage_quotas/pipelines/utils.js
@@ -36,20 +36,3 @@ export const getUsageDataByYearByMonthAsObject = (ciMinutesUsage) => {
     return acc;
   }, {});
 };
-
-/**
- * Formats date to `yyyy-mm-dd`
- * @param { number } year full year
- * @param { number } monthIndex month index, between 0 and 11
- * @param { number } day day of the month
- * @returns { string } formatted date string
- *
- * NOTE: it might be worth moving this utility to date time utils
- * in ~/lib/utils/datetime_utility.js
- */
-export const formatIso8601Date = (year, monthIndex, day) => {
-  return [year, monthIndex + 1, day]
-    .map(String)
-    .map((s) => s.padStart(2, '0'))
-    .join('-');
-};
diff --git a/ee/spec/frontend/usage_quotas/pipelines/utils_spec.js b/ee/spec/frontend/usage_quotas/pipelines/utils_spec.js
index 0597831a612e7fc3efbb350ac005ff57a8a73a09..e62c1df3559632e31e706f1eda10f15e50a3d11a 100644
--- a/ee/spec/frontend/usage_quotas/pipelines/utils_spec.js
+++ b/ee/spec/frontend/usage_quotas/pipelines/utils_spec.js
@@ -1,7 +1,6 @@
 import {
   getUsageDataByYearAsArray,
   getUsageDataByYearByMonthAsObject,
-  formatIso8601Date,
 } from 'ee/usage_quotas/pipelines/utils';
 import { mockGetCiMinutesUsageNamespace } from './mock_data';
 
@@ -105,10 +104,4 @@ describe('Compute minutes Usage Utils', () => {
 
     expect(getUsageDataByYearByMonthAsObject(nodes)).toEqual(expectedDataByYearMonth);
   });
-
-  describe('formatIso8601Date', () => {
-    it('creates a ISO-8601 formated date', () => {
-      expect(formatIso8601Date(2021, 5, 1)).toBe('2021-06-01');
-    });
-  });
 });
diff --git a/spec/frontend/lib/utils/datetime/date_format_utility_spec.js b/spec/frontend/lib/utils/datetime/date_format_utility_spec.js
index 146e9d569f6208f323bee2267b57dfc93e0bcd96..0eb50641ed4b5c5d06a1391f3ade22de31a76755 100644
--- a/spec/frontend/lib/utils/datetime/date_format_utility_spec.js
+++ b/spec/frontend/lib/utils/datetime/date_format_utility_spec.js
@@ -542,4 +542,10 @@ describe('date_format_utility.js', () => {
       });
     });
   });
+
+  describe('formatIso8601Date', () => {
+    it('creates a ISO-8601 formated date', () => {
+      expect(utils.formatIso8601Date(2021, 5, 1)).toBe('2021-06-01');
+    });
+  });
 });