From 39573ea17b014ca359f74dfb71e77a8c6990e8f5 Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Sat, 7 Feb 2026 19:21:40 -0800
Subject: [PATCH] New: Use translations for days of week

Closes #8384
---
 frontend/src/Language/useLanguageName.ts      |  9 ++++++--
 .../src/Utilities/Date/getRelativeDate.ts     | 23 ++++++++++++++++++-
 src/NzbDrone.Core/Localization/Core/en.json   |  5 ++++
 3 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/frontend/src/Language/useLanguageName.ts b/frontend/src/Language/useLanguageName.ts
index b451ccd68..7e880384f 100644
--- a/frontend/src/Language/useLanguageName.ts
+++ b/frontend/src/Language/useLanguageName.ts
@@ -1,4 +1,5 @@
-import { useCallback } from 'react';
+import moment from 'moment';
+import { useCallback, useEffect } from 'react';
 import useApiQuery from 'Helpers/Hooks/useApiQuery';
 
 interface LanguageResponse {
@@ -22,7 +23,11 @@ const useLanguage = () => {
 };
 
 export const useInitializeLanguage = () => {
-  useLanguage();
+  const { data } = useLanguage();
+
+  useEffect(() => {
+    moment.locale(data?.identifier);
+  }, [data]);
 };
 
 const useLanguageName = () => {
diff --git a/frontend/src/Utilities/Date/getRelativeDate.ts b/frontend/src/Utilities/Date/getRelativeDate.ts
index 1a3d56096..e5ef87bdb 100644
--- a/frontend/src/Utilities/Date/getRelativeDate.ts
+++ b/frontend/src/Utilities/Date/getRelativeDate.ts
@@ -74,7 +74,7 @@ function getRelativeDate({
 
   if (isInNextWeek(date)) {
     const dateTime = convertToTimezone(date, timeZone);
-    const day = dateTime.format('dddd');
+    const day = getDayOfWeek(dateTime.day());
 
     return includeTime ? translate('DayOfWeekAt', { day, time }) : day;
   }
@@ -88,3 +88,24 @@ function getRelativeDate({
 }
 
 export default getRelativeDate;
+
+function getDayOfWeek(dayNumber: number) {
+  switch (dayNumber) {
+    case 0:
+      return translate('Sunday');
+    case 1:
+      return translate('Monday');
+    case 2:
+      return translate('Tuesday');
+    case 3:
+      return translate('Wednesday');
+    case 4:
+      return translate('Thursday');
+    case 5:
+      return translate('Friday');
+    case 6:
+      return translate('Saturday');
+    default:
+      return '';
+  }
+}
diff --git a/src/NzbDrone.Core/Localization/Core/en.json b/src/NzbDrone.Core/Localization/Core/en.json
index cd49e021e..975ca5aed 100644
--- a/src/NzbDrone.Core/Localization/Core/en.json
+++ b/src/NzbDrone.Core/Localization/Core/en.json
@@ -786,6 +786,7 @@
   "Formats": "Formats",
   "Forums": "Forums",
   "FreeSpace": "Free Space",
+  "Friday": "Friday",
   "From": "From",
   "FullColorEvents": "Full Color Events",
   "FullColorEventsHelpText": "Altered style to color the entire event with the status color, instead of just the left edge. Does not apply to Agenda",
@@ -1862,6 +1863,7 @@
   "RssSyncIntervalHelpText": "Interval in minutes. Set to zero to disable (this will stop all automatic release grabbing)",
   "RssSyncIntervalHelpTextWarning": "This will apply to all indexers, please follow the rules set forth by them",
   "Runtime": "Runtime",
+  "Saturday": "Saturday",
   "Save": "Save",
   "SaveChanges": "Save Changes",
   "SaveSettings": "Save Settings",
@@ -2089,6 +2091,7 @@
   "TheTvdb": "TheTVDB",
   "Theme": "Theme",
   "ThemeHelpText": "Change Application UI Theme, 'Auto' Theme will use your OS Theme to set Light or Dark mode. Inspired by Theme.Park",
+  "Thursday": "Thursday",
   "Threshold": "Threshold",
   "Time": "Time",
   "TimeFormat": "Time Format",
@@ -2120,6 +2123,7 @@
   "TotalFileSize": "Total File Size",
   "TotalRecords": "Total records: {totalRecords}",
   "TotalSpace": "Total Space",
+  "Tuesday": "Tuesday",
   "Trace": "Trace",
   "True": "True",
   "TvdbId": "TVDB ID",
@@ -2221,6 +2225,7 @@
   "Wanted": "Wanted",
   "Warn": "Warn",
   "Warning": "Warning",
+  "Wednesday": "Wednesday",
   "Week": "Week",
   "WeekColumnHeader": "Week Column Header",
   "WeekColumnHeaderHelpText": "Shown above each column when week is the active view",