diff --git a/CHANGELOG.md b/CHANGELOG.md
index 484acbdfe..a582eef9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ All notable changes to this project will be documented in this file.
 ### Changed
 
 - opening app from launcher always show home page
+- use dates with western arabic numerals for maghreb arabic locales
 - upgraded Flutter to stable v3.19.4
 
 ### Fixed
diff --git a/lib/model/entry/extensions/metadata_edition.dart b/lib/model/entry/extensions/metadata_edition.dart
index cf92324c9..29d1d447d 100644
--- a/lib/model/entry/extensions/metadata_edition.dart
+++ b/lib/model/entry/extensions/metadata_edition.dart
@@ -7,6 +7,7 @@ import 'package:aves/model/entry/entry.dart';
 import 'package:aves/model/entry/extensions/catalog.dart';
 import 'package:aves/model/entry/extensions/props.dart';
 import 'package:aves/model/metadata/date_modifier.dart';
+import 'package:aves/ref/locales.dart';
 import 'package:aves/ref/metadata/exif.dart';
 import 'package:aves/ref/metadata/iptc.dart';
 import 'package:aves/ref/metadata/xmp.dart';
@@ -121,7 +122,7 @@ extension ExtraAvesEntryMetadataEdition on AvesEntry {
       if (latLng != null && latLng != removalLocation) {
         final latitude = latLng.latitude;
         final longitude = latLng.longitude;
-        const locale = 'en_US';
+        const locale = asciiLocale;
         final isoLat = '${latitude >= 0 ? '+' : '-'}${NumberFormat('00.0000', locale).format(latitude.abs())}';
         final isoLon = '${longitude >= 0 ? '+' : '-'}${NumberFormat('000.0000', locale).format(longitude.abs())}';
         iso6709String = '$isoLat$isoLon/';
diff --git a/lib/model/naming_pattern.dart b/lib/model/naming_pattern.dart
index 851d58011..ab988fef5 100644
--- a/lib/model/naming_pattern.dart
+++ b/lib/model/naming_pattern.dart
@@ -20,6 +20,7 @@ class NamingPattern {
   factory NamingPattern.from({
     required String userPattern,
     required int entryCount,
+    required String locale,
   }) {
     final processors = <NamingProcessor>[];
 
@@ -40,7 +41,7 @@ class NamingPattern {
       switch (processorKey) {
         case DateNamingProcessor.key:
           if (processorOptions != null) {
-            processors.add(DateNamingProcessor(processorOptions.trim()));
+            processors.add(DateNamingProcessor(processorOptions.trim(), locale));
           }
         case TagsNamingProcessor.key:
           processors.add(TagsNamingProcessor(processorOptions?.trim() ?? ''));
@@ -156,7 +157,7 @@ class DateNamingProcessor extends NamingProcessor {
   @override
   List<Object?> get props => [format.pattern];
 
-  DateNamingProcessor(String pattern) : format = DateFormat(pattern);
+  DateNamingProcessor(String pattern, String locale) : format = DateFormat(pattern, locale);
 
   @override
   String? process(AvesEntry entry, int index, Map<String, dynamic> fieldValues) {
diff --git a/lib/model/settings/modules/app.dart b/lib/model/settings/modules/app.dart
index a4b1f9f86..347541582 100644
--- a/lib/model/settings/modules/app.dart
+++ b/lib/model/settings/modules/app.dart
@@ -50,7 +50,7 @@ mixin AppSettings on SettingsAccess {
       ].join(localeSeparator);
     }
     set(SettingKeys.localeKey, tag);
-    _appliedLocale = null;
+    resetAppliedLocale();
   }
 
   List<Locale> _systemLocalesFallback = [];
diff --git a/lib/model/video/metadata.dart b/lib/model/video/metadata.dart
index 56023b89b..6ae8ba583 100644
--- a/lib/model/video/metadata.dart
+++ b/lib/model/video/metadata.dart
@@ -8,6 +8,7 @@ import 'package:aves/model/video/profiles/aac.dart';
 import 'package:aves/model/video/profiles/h264.dart';
 import 'package:aves/model/video/profiles/hevc.dart';
 import 'package:aves/ref/languages.dart';
+import 'package:aves/ref/locales.dart';
 import 'package:aves/ref/mime_types.dart';
 import 'package:aves/ref/mp4.dart';
 import 'package:aves/services/common/services.dart';
@@ -453,7 +454,7 @@ class VideoMetadataFormatter {
 
   static String _formatFilesize(dynamic value) {
     final size = value is int ? value : int.tryParse(value);
-    return size != null ? formatFileSize('en_US', size) : value;
+    return size != null ? formatFileSize(asciiLocale, size) : value;
   }
 
   static String _formatLanguage(String value) {
diff --git a/lib/ref/locales.dart b/lib/ref/locales.dart
new file mode 100644
index 000000000..1ce72cdd1
--- /dev/null
+++ b/lib/ref/locales.dart
@@ -0,0 +1,47 @@
+import 'dart:ui';
+
+const String asciiLocale = 'en_US';
+
+// cf https://en.wikipedia.org/wiki/Eastern_Arabic_numerals
+bool shouldUseNativeDigits(Locale? countrifiedLocale) {
+  switch (countrifiedLocale?.toString()) {
+    // Maghreb
+    case 'ar_DZ': // Algeria
+    case 'ar_EH': // Western Sahara
+    case 'ar_LY': // Libya
+    case 'ar_MA': // Morocco
+    case 'ar_MR': // Mauritania
+    case 'ar_TN': // Tunisia
+      return false;
+    // Mashriq
+    case 'ar_AE': // United Arab Emirates
+    case 'ar_BH': // Bahrain
+    case 'ar_EG': // Egypt
+    case 'ar_IQ': // Iraq
+    case 'ar_JO': // Jordan
+    case 'ar_KW': // Kuwait
+    case 'ar_LB': // Lebanon
+    case 'ar_OM': // Oman
+    case 'ar_PS': // Palestinian Territories
+    case 'ar_QA': // Qatar
+    case 'ar_SA': // Saudi Arabia
+    case 'ar_SD': // Sudan
+    case 'ar_SS': // South Sudan
+    case 'ar_SY': // Syria
+    case 'ar_YE': // Yemen
+      return true;
+    // Horn of Africa
+    case 'ar_DJ': // Djibouti
+    case 'ar_ER': // Eritrea
+    case 'ar_KM': // Comoros
+    case 'ar_SO': // Somalia
+      return true;
+    // others
+    case 'ar_IL': // Israel
+    case 'ar_TD': // Chad
+      return true;
+    case null:
+    default:
+      return true;
+  }
+}
diff --git a/lib/utils/xmp_utils.dart b/lib/utils/xmp_utils.dart
index 72b120b32..b17f3cf5e 100644
--- a/lib/utils/xmp_utils.dart
+++ b/lib/utils/xmp_utils.dart
@@ -1,3 +1,4 @@
+import 'package:aves/ref/locales.dart';
 import 'package:aves/ref/metadata/xmp.dart';
 import 'package:intl/intl.dart';
 import 'package:xml/xml.dart';
@@ -60,7 +61,7 @@ class XMP {
     return '${offsetMinutes.isNegative ? '-' : '+'}${h.toString().padLeft(2, '0')}:${m.toString().padLeft(2, '0')}';
   }
 
-  static String toXmpDate(DateTime date) => '${DateFormat('yyyy-MM-ddTHH:mm:ss').format(date)}${_xmpTimeZoneDesignator(date)}';
+  static String toXmpDate(DateTime date) => '${DateFormat('yyyy-MM-ddTHH:mm:ss', asciiLocale).format(date)}${_xmpTimeZoneDesignator(date)}';
 
   static String? getString(
     List<XmlNode> nodes,
diff --git a/lib/widgets/about/bug_report.dart b/lib/widgets/about/bug_report.dart
index 74c28797b..0f801bf6a 100644
--- a/lib/widgets/about/bug_report.dart
+++ b/lib/widgets/about/bug_report.dart
@@ -6,6 +6,7 @@ import 'package:aves/app_flavor.dart';
 import 'package:aves/flutter_version.dart';
 import 'package:aves/model/device.dart';
 import 'package:aves/model/settings/settings.dart';
+import 'package:aves/ref/locales.dart';
 import 'package:aves/ref/mime_types.dart';
 import 'package:aves/services/common/services.dart';
 import 'package:aves/theme/colors.dart';
@@ -176,7 +177,7 @@ class _BugReportState extends State<BugReport> with FeedbackMixin {
     final result = await Process.run('logcat', ['-d']);
     final logs = result.stdout;
     final success = await storageService.createFile(
-      'aves-logs-${DateFormat('yyyyMMdd_HHmmss').format(DateTime.now())}.txt',
+      'aves-logs-${DateFormat('yyyyMMdd_HHmmss', asciiLocale).format(DateTime.now())}.txt',
       MimeTypes.plainText,
       Uint8List.fromList(utf8.encode(logs)),
     );
diff --git a/lib/widgets/aves_app.dart b/lib/widgets/aves_app.dart
index b929eac08..bfe0bcc6a 100644
--- a/lib/widgets/aves_app.dart
+++ b/lib/widgets/aves_app.dart
@@ -16,6 +16,7 @@ import 'package:aves/model/settings/settings.dart';
 import 'package:aves/model/source/collection_lens.dart';
 import 'package:aves/model/source/collection_source.dart';
 import 'package:aves/model/source/media_store_source.dart';
+import 'package:aves/ref/locales.dart';
 import 'package:aves/services/accessibility_service.dart';
 import 'package:aves/services/common/services.dart';
 import 'package:aves/theme/colors.dart';
@@ -37,12 +38,14 @@ import 'package:aves/widgets/navigation/tv_rail.dart';
 import 'package:aves/widgets/welcome_page.dart';
 import 'package:aves_model/aves_model.dart';
 import 'package:aves_utils/aves_utils.dart';
+import 'package:collection/collection.dart';
 import 'package:dynamic_color/dynamic_color.dart';
 import 'package:equatable/equatable.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_localization_nn/flutter_localization_nn.dart';
+import 'package:intl/intl.dart';
 import 'package:overlay_support/overlay_support.dart';
 import 'package:provider/provider.dart';
 import 'package:screen_brightness/screen_brightness.dart';
@@ -158,6 +161,7 @@ class _AvesAppState extends State<AvesApp> with WidgetsBindingObserver {
   final ValueNotifier<PageTransitionsBuilder> _pageTransitionsBuilderNotifier = ValueNotifier(defaultPageTransitionsBuilder);
   final ValueNotifier<TvMediaQueryModifier?> _tvMediaQueryModifierNotifier = ValueNotifier(null);
   final ValueNotifier<AppMode> _appModeNotifier = ValueNotifier(AppMode.main);
+  final ValueNotifier<LocaleOverrides> _localeOverridesNotifier = ValueNotifier(LocaleOverrides.none);
 
   // observers are not registered when using the same list object with different items
   // the list itself needs to be reassigned
@@ -217,6 +221,7 @@ class _AvesAppState extends State<AvesApp> with WidgetsBindingObserver {
         Provider<TvRailController>.value(value: _tvRailController),
         DurationsProvider(),
         HighlightInfoProvider(),
+        ListenableProvider<ValueNotifier<LocaleOverrides>>.value(value: _localeOverridesNotifier),
       ],
       child: OverlaySupport(
         child: FutureBuilder<void>(
@@ -239,9 +244,6 @@ class _AvesAppState extends State<AvesApp> with WidgetsBindingObserver {
               ),
               builder: (context, s, child) {
                 final (settingsLocale, themeBrightness, enableDynamicColor) = s;
-
-                AStyles.updateStylesForLocale(settings.appliedLocale);
-
                 return DynamicColorBuilder(
                   builder: (lightScheme, darkScheme) {
                     const defaultAccent = AvesColorsData.defaultAccent;
@@ -411,6 +413,33 @@ class _AvesAppState extends State<AvesApp> with WidgetsBindingObserver {
     }
   }
 
+  @override
+  void didChangeLocales(List<Locale>? locales) {
+    _applyLocale();
+  }
+
+  void _applyLocale() {
+    settings.resetAppliedLocale();
+
+    final appliedLocale = settings.appliedLocale;
+    AStyles.updateStylesForLocale(appliedLocale);
+
+    Locale? countrifiedLocale;
+    if (appliedLocale.countryCode == null) {
+      final languageCode = appliedLocale.languageCode;
+      countrifiedLocale = WidgetsBinding.instance.platformDispatcher.locales.firstWhereOrNull((v) => v.languageCode == languageCode);
+    }
+
+    if (appliedLocale.languageCode == 'ar') {
+      final useNativeDigits = shouldUseNativeDigits(countrifiedLocale);
+      DateFormat.useNativeDigitsByDefaultFor(appliedLocale.toString(), useNativeDigits);
+      DateFormat.useNativeDigitsByDefaultFor(countrifiedLocale.toString(), useNativeDigits);
+    }
+    _localeOverridesNotifier.value = LocaleOverrides(
+      countrifiedLocale: countrifiedLocale,
+    );
+  }
+
   Widget _getFirstPage({Map? intentData}) => settings.hasAcceptedTerms ? HomePage(intentData: intentData) : const WelcomePage();
 
   Size? _getScreenSize(BuildContext context) {
@@ -504,7 +533,7 @@ class _AvesAppState extends State<AvesApp> with WidgetsBindingObserver {
   }
 
   void _monitorSettings() {
-    void applyIsInstalledAppAccessAllowed() {
+    void _applyIsInstalledAppAccessAllowed() {
       if (settings.isInstalledAppAccessAllowed) {
         appInventory.initAppNames();
       } else {
@@ -512,9 +541,9 @@ class _AvesAppState extends State<AvesApp> with WidgetsBindingObserver {
       }
     }
 
-    void applyDisplayRefreshRateMode() => settings.displayRefreshRateMode.apply();
+    void _applyDisplayRefreshRateMode() => settings.displayRefreshRateMode.apply();
 
-    void applyMaxBrightness() {
+    void _applyMaxBrightness() {
       switch (settings.maxBrightness) {
         case MaxBrightness.never:
         case MaxBrightness.viewerOnly:
@@ -524,9 +553,9 @@ class _AvesAppState extends State<AvesApp> with WidgetsBindingObserver {
       }
     }
 
-    void applyKeepScreenOn() => settings.keepScreenOn.apply();
+    void _applyKeepScreenOn() => settings.keepScreenOn.apply();
 
-    void applyIsRotationLocked() {
+    void _applyIsRotationLocked() {
       if (!settings.isRotationLocked && !settings.useTvLayout) {
         windowService.requestOrientation();
       }
@@ -545,20 +574,22 @@ class _AvesAppState extends State<AvesApp> with WidgetsBindingObserver {
 
     final settingStream = settings.updateStream;
     // app
-    settingStream.where((event) => event.key == SettingKeys.isInstalledAppAccessAllowedKey).listen((_) => applyIsInstalledAppAccessAllowed());
+    settingStream.where((event) => event.key == SettingKeys.isInstalledAppAccessAllowedKey).listen((_) => _applyIsInstalledAppAccessAllowed());
+    settingStream.where((event) => event.key == SettingKeys.localeKey).listen((_) => _applyLocale());
     // display
-    settingStream.where((event) => event.key == SettingKeys.displayRefreshRateModeKey).listen((_) => applyDisplayRefreshRateMode());
-    settingStream.where((event) => event.key == SettingKeys.maxBrightnessKey).listen((_) => applyMaxBrightness());
+    settingStream.where((event) => event.key == SettingKeys.displayRefreshRateModeKey).listen((_) => _applyDisplayRefreshRateMode());
+    settingStream.where((event) => event.key == SettingKeys.maxBrightnessKey).listen((_) => _applyMaxBrightness());
     settingStream.where((event) => event.key == SettingKeys.forceTvLayoutKey).listen((_) => applyForceTvLayout());
     // navigation
-    settingStream.where((event) => event.key == SettingKeys.keepScreenOnKey).listen((_) => applyKeepScreenOn());
+    settingStream.where((event) => event.key == SettingKeys.keepScreenOnKey).listen((_) => _applyKeepScreenOn());
     // platform settings
-    settingStream.where((event) => event.key == SettingKeys.platformAccelerometerRotationKey).listen((_) => applyIsRotationLocked());
+    settingStream.where((event) => event.key == SettingKeys.platformAccelerometerRotationKey).listen((_) => _applyIsRotationLocked());
 
-    applyDisplayRefreshRateMode();
-    applyMaxBrightness();
-    applyKeepScreenOn();
-    applyIsRotationLocked();
+    _applyLocale();
+    _applyDisplayRefreshRateMode();
+    _applyMaxBrightness();
+    _applyKeepScreenOn();
+    _applyIsRotationLocked();
   }
 
   Future<void> _setupErrorReporting() async {
@@ -632,3 +663,18 @@ class AvesScrollBehavior extends MaterialScrollBehavior {
 }
 
 typedef TvMediaQueryModifier = MediaQueryData Function(MediaQueryData);
+
+class LocaleOverrides extends Equatable {
+  final Locale? countrifiedLocale;
+
+  @override
+  List<Object?> get props => [countrifiedLocale];
+
+  const LocaleOverrides({
+    required this.countrifiedLocale,
+  });
+
+  static const LocaleOverrides none = LocaleOverrides(
+    countrifiedLocale: null,
+  );
+}
diff --git a/lib/widgets/collection/collection_grid.dart b/lib/widgets/collection/collection_grid.dart
index 057052675..92814439e 100644
--- a/lib/widgets/collection/collection_grid.dart
+++ b/lib/widgets/collection/collection_grid.dart
@@ -672,8 +672,8 @@ class _CollectionScrollViewState extends State<_CollectionScrollView> with Widge
               final newest = firstKey.date;
               final oldest = lastKey.date;
               if (newest != null && oldest != null) {
-                final localeName = context.l10n.localeName;
-                final dateFormat = (newest.difference(oldest).inDays).abs() > 365 ? DateFormat.y(localeName) : DateFormat.MMM(localeName);
+                final locale = context.l10n.localeName;
+                final dateFormat = (newest.difference(oldest).inDays).abs() > 365 ? DateFormat.y(locale) : DateFormat.MMM(locale);
                 String? lastLabel;
                 sectionLayouts.forEach((section) {
                   final date = (section.sectionKey as EntryDateSectionKey).date;
diff --git a/lib/widgets/debug/cache.dart b/lib/widgets/debug/cache.dart
index fddbb33a9..38eaf8e60 100644
--- a/lib/widgets/debug/cache.dart
+++ b/lib/widgets/debug/cache.dart
@@ -1,3 +1,4 @@
+import 'package:aves/ref/locales.dart';
 import 'package:aves/services/common/services.dart';
 import 'package:aves/utils/file_utils.dart';
 import 'package:aves/widgets/common/identity/aves_expansion_tile.dart';
@@ -15,6 +16,8 @@ class _DebugCacheSectionState extends State<DebugCacheSection> with AutomaticKee
   Widget build(BuildContext context) {
     super.build(context);
 
+    final currentSizeBytes = formatFileSize(asciiLocale, imageCache.currentSizeBytes);
+    final maxSizeBytes = formatFileSize(asciiLocale, imageCache.maximumSizeBytes);
     return AvesExpansionTile(
       title: 'Cache',
       children: [
@@ -25,7 +28,7 @@ class _DebugCacheSectionState extends State<DebugCacheSection> with AutomaticKee
               Row(
                 children: [
                   Expanded(
-                    child: Text('Image cache:\n\t${imageCache.currentSize}/${imageCache.maximumSize} items\n\t${formatFileSize('en_US', imageCache.currentSizeBytes)}/${formatFileSize('en_US', imageCache.maximumSizeBytes)}'),
+                    child: Text('Image cache:\n\t${imageCache.currentSize}/${imageCache.maximumSize} items\n\t$currentSizeBytes/$maxSizeBytes'),
                   ),
                   const SizedBox(width: 8),
                   ElevatedButton(
diff --git a/lib/widgets/debug/database.dart b/lib/widgets/debug/database.dart
index 2e2eb39b8..b8f6f5836 100644
--- a/lib/widgets/debug/database.dart
+++ b/lib/widgets/debug/database.dart
@@ -7,6 +7,7 @@ import 'package:aves/model/metadata/trash.dart';
 import 'package:aves/model/vaults/details.dart';
 import 'package:aves/model/vaults/vaults.dart';
 import 'package:aves/model/video_playback.dart';
+import 'package:aves/ref/locales.dart';
 import 'package:aves/services/common/services.dart';
 import 'package:aves/utils/file_utils.dart';
 import 'package:aves/widgets/common/identity/aves_expansion_tile.dart';
@@ -65,7 +66,7 @@ class _DebugAppDatabaseSectionState extends State<DebugAppDatabaseSection> with
                   return Row(
                     children: [
                       Expanded(
-                        child: Text('DB file size: ${formatFileSize('en_US', snapshot.data!)}'),
+                        child: Text('DB file size: ${formatFileSize(asciiLocale, snapshot.data!)}'),
                       ),
                       const SizedBox(width: 8),
                       ElevatedButton(
diff --git a/lib/widgets/debug/storage.dart b/lib/widgets/debug/storage.dart
index 7e242fd05..4b0c49e77 100644
--- a/lib/widgets/debug/storage.dart
+++ b/lib/widgets/debug/storage.dart
@@ -1,3 +1,4 @@
+import 'package:aves/ref/locales.dart';
 import 'package:aves/services/common/services.dart';
 import 'package:aves/utils/android_file_utils.dart';
 import 'package:aves/utils/file_utils.dart';
@@ -47,7 +48,7 @@ class _DebugStorageSectionState extends State<DebugStorageSection> with Automati
                   'isPrimary': '${v.isPrimary}',
                   'isRemovable': '${v.isRemovable}',
                   'state': v.state,
-                  if (freeSpace != null) 'freeSpace': formatFileSize('en_US', freeSpace),
+                  if (freeSpace != null) 'freeSpace': formatFileSize(asciiLocale, freeSpace),
                 },
               ),
             ),
diff --git a/lib/widgets/dialogs/entry_editors/rename_entry_set_page.dart b/lib/widgets/dialogs/entry_editors/rename_entry_set_page.dart
index d1cc5d0db..61e7739a0 100644
--- a/lib/widgets/dialogs/entry_editors/rename_entry_set_page.dart
+++ b/lib/widgets/dialogs/entry_editors/rename_entry_set_page.dart
@@ -38,6 +38,7 @@ class RenameEntrySetPage extends StatefulWidget {
 class _RenameEntrySetPageState extends State<RenameEntrySetPage> {
   final TextEditingController _patternTextController = TextEditingController();
   final ValueNotifier<NamingPattern> _namingPatternNotifier = ValueNotifier<NamingPattern>(const NamingPattern([]));
+  late final String locale;
 
   static const int previewMax = 10;
   static const double thumbnailExtent = 48;
@@ -51,7 +52,11 @@ class _RenameEntrySetPageState extends State<RenameEntrySetPage> {
     super.initState();
     _patternTextController.text = settings.entryRenamingPattern;
     _patternTextController.addListener(_onUserPatternChanged);
-    _onUserPatternChanged();
+
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      locale = context.l10n.localeName;
+      _onUserPatternChanged();
+    });
   }
 
   @override
@@ -229,6 +234,7 @@ class _RenameEntrySetPageState extends State<RenameEntrySetPage> {
     _namingPatternNotifier.value = NamingPattern.from(
       userPattern: _patternTextController.text,
       entryCount: entryCount,
+      locale: locale,
     );
   }
 
diff --git a/lib/widgets/settings/settings_mobile_page.dart b/lib/widgets/settings/settings_mobile_page.dart
index c4ee713fd..8c29b5c10 100644
--- a/lib/widgets/settings/settings_mobile_page.dart
+++ b/lib/widgets/settings/settings_mobile_page.dart
@@ -4,6 +4,7 @@ import 'dart:typed_data';
 import 'package:aves/model/settings/enums/accessibility_animations.dart';
 import 'package:aves/model/settings/settings.dart';
 import 'package:aves/model/source/collection_source.dart';
+import 'package:aves/ref/locales.dart';
 import 'package:aves/ref/mime_types.dart';
 import 'package:aves/services/common/services.dart';
 import 'package:aves/theme/icons.dart';
@@ -117,7 +118,7 @@ class _SettingsMobilePageState extends State<SettingsMobilePage> with FeedbackMi
         final allJsonString = jsonEncode(allMap);
 
         final success = await storageService.createFile(
-          'aves-settings-${DateFormat('yyyyMMdd_HHmmss').format(DateTime.now())}.json',
+          'aves-settings-${DateFormat('yyyyMMdd_HHmmss', asciiLocale).format(DateTime.now())}.json',
           MimeTypes.json,
           Uint8List.fromList(utf8.encode(allJsonString)),
         );
diff --git a/test/model/naming_pattern_test.dart b/test/model/naming_pattern_test.dart
index c7991e805..b5d0dafa0 100644
--- a/test/model/naming_pattern_test.dart
+++ b/test/model/naming_pattern_test.dart
@@ -1,13 +1,20 @@
 import 'package:aves/model/naming_pattern.dart';
+import 'package:intl/date_symbol_data_local.dart';
 import 'package:test/test.dart';
 
 void main() {
+  setUpAll(() async {
+    await initializeDateFormatting();
+  });
+
   test('mixed processors', () {
     const entryCount = 42;
+    const locale = 'en';
     expect(
       NamingPattern.from(
         userPattern: 'pure literal',
         entryCount: entryCount,
+        locale: locale,
       ).processors,
       [
         const LiteralNamingProcessor('pure literal'),
@@ -17,10 +24,11 @@ void main() {
       NamingPattern.from(
         userPattern: 'prefix<date,yyyy-MM-ddTHH:mm:ss>suffix',
         entryCount: entryCount,
+        locale: locale,
       ).processors,
       [
         const LiteralNamingProcessor('prefix'),
-        DateNamingProcessor('yyyy-MM-ddTHH:mm:ss'),
+        DateNamingProcessor('yyyy-MM-ddTHH:mm:ss', locale),
         const LiteralNamingProcessor('suffix'),
       ],
     );
@@ -28,9 +36,10 @@ void main() {
       NamingPattern.from(
         userPattern: '<date,yyyy-MM-ddTHH:mm:ss> <name>',
         entryCount: entryCount,
+        locale: locale,
       ).processors,
       [
-        DateNamingProcessor('yyyy-MM-ddTHH:mm:ss'),
+        DateNamingProcessor('yyyy-MM-ddTHH:mm:ss', locale),
         const LiteralNamingProcessor(' '),
         const NameNamingProcessor(),
       ],