diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7c8fbcb..48cc216a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -46,6 +46,7 @@
 * *BREAKING* bump `react-intl` to `v6.4.4`. Refs UICIRC-977.
 * Add informational message for Holds to New Request Policy page. Refs UICIRC-981.
 * Restore previously deleted Jest/RTL tests that were failing. Refs UICIRC-971.
+* Add "hour" to the time frequency for reminder fees. Fixes UICIRC-983.
 * Freeze the first five selection menus for reminder fees. Refs UICIRC-982.
 
 ## [8.0.1](https://github.com/folio-org/ui-circulation/tree/v8.0.1) (2023-03-07)
diff --git a/src/constants.js b/src/constants.js
index dd99ec68..e62878e1 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -378,6 +378,7 @@ export const closingTypesMap = {
 };
 
 export const timeUnitsMap = {
+  HOUR: 'hour',
   DAY: 'day',
   WEEK: 'week',
 };
@@ -409,6 +410,10 @@ export const closedLoansRules = {
 };
 
 export const timeUnits = [
+  {
+    value: timeUnitsMap.HOUR,
+    label: 'ui-circulation.settings.finePolicy.reminderFees.timeUnit.hours',
+  },
   {
     value: timeUnitsMap.DAY,
     label: 'ui-circulation.settings.finePolicy.reminderFees.timeUnit.days',
diff --git a/translations/ui-circulation/en.json b/translations/ui-circulation/en.json
index b20300d6..db10be68 100644
--- a/translations/ui-circulation/en.json
+++ b/translations/ui-circulation/en.json
@@ -440,6 +440,7 @@
   "settings.finePolicy.reminderFees.selectNoticeMethod": "Select notice method",
   "settings.finePolicy.reminderFees.selectNoticeTemplate": "Select notice template",
   "settings.finePolicy.reminderFees.selectBlockTemplate": "Select block template",
+  "settings.finePolicy.reminderFees.timeUnit.hours": "Hour(s)",
   "settings.finePolicy.reminderFees.timeUnit.days": "Day(s)",
   "settings.finePolicy.reminderFees.timeUnit.weeks": "Week(s)",
   "settings.finePolicy.reminderFees.noticeMethods.email": "Email",