18private TimeFormat _timeFormat; 130private string FormatTimeFormatOption(TimeFormat format) => format switch 132TimeFormat.System => Loc[nameof(Dashboard.Resources.Dialogs.SettingsDialogTimeFormatSystem)], 133TimeFormat.TwelveHour => Loc[nameof(Dashboard.Resources.Dialogs.SettingsDialogTimeFormatTwelveHour)], 134TimeFormat.TwentyFourHour => Loc[nameof(Dashboard.Resources.Dialogs.SettingsDialogTimeFormatTwentyFourHour)],

115TimeProvider.SetBrowserTimeFormat(result.Is24HourTime ? TimeFormat.TwentyFourHour : TimeFormat.TwelveHour); 118var timeFormatResult = await LocalStorage.GetAsync<TimeFormat>(BrowserStorageKeys.TimeFormat);

19private TimeFormat? _browserTimeFormat; 21public TimeFormat ConfiguredTimeFormat { get; set; } = TimeFormat.System; 45public TimeFormat ResolvedTimeFormat 49if (ConfiguredTimeFormat == TimeFormat.System) 51return _browserTimeFormat ?? TimeFormat.System; 58public void SetBrowserTimeFormat(TimeFormat timeFormat) 63public void SetConfiguredTimeFormat(TimeFormat timeFormat)

15private readonly record struct CultureDetailsKey(string LongTimePattern, string ShortDatePattern, string NumberDecimalSeparator, TimeFormat timeFormat); 38private static MillisecondFormatStrings GetDateFormatStrings(CultureInfo cultureInfo, TimeFormat timeFormat) 72TimeFormat.TwelveHour => ConvertTo12Hour(longTimePattern), 73TimeFormat.TwentyFourHour => ConvertTo24Hour(longTimePattern), 111internal static string GetLongTimePattern(CultureInfo cultureInfo, TimeFormat timeFormat, MillisecondsDisplay millisecondsDisplay) 114internal static string GetShortDateLongTimePattern(CultureInfo cultureInfo, TimeFormat timeFormat, MillisecondsDisplay millisecondsDisplay)

25TimeFormat ResolvedTimeFormat { get; } 48var timeFormat = GetResolvedTimeFormat(timeProvider); 58var timeFormat = GetResolvedTimeFormat(timeProvider); 64private static TimeFormat GetResolvedTimeFormat(TimeProvider timeProvider) 71return TimeFormat.System;

37[InlineData("06/15/2009 13:45:30.000", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwentyFourHour)] 38[InlineData("06/15/2009 13:45:30.123", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 39[InlineData("06/15/2009 13:45:30.1234567", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 40[InlineData("06/15/2009 13:45:30", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwentyFourHour)] 41[InlineData("06/15/2009 13:45:30", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 42[InlineData("06/15/2009 1:45:30.000 PM", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwelveHour)] 43[InlineData("06/15/2009 1:45:30.123 PM", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 44[InlineData("06/15/2009 1:45:30.1234567 PM", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 45[InlineData("06/15/2009 1:45:30 PM", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwelveHour)] 46[InlineData("06/15/2009 1:45:30 PM", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 47[InlineData("06/15/2009 13:45:30.000", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.System)] 48[InlineData("06/15/2009 13:45:30.123", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 49[InlineData("06/15/2009 13:45:30.1234567", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 50[InlineData("06/15/2009 13:45:30", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.System)] 51[InlineData("06/15/2009 13:45:30", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 52public void FormatDateTime_WithMilliseconds_InvariantCulture(string expected, MillisecondsDisplay includeMilliseconds, string value, TimeFormat timeFormat) 61[InlineData("15.06.2009 13:45:30,000", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwentyFourHour)] 62[InlineData("15.06.2009 13:45:30,123", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 63[InlineData("15.06.2009 13:45:30,1234567", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 64[InlineData("15.06.2009 13:45:30", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwentyFourHour)] 65[InlineData("15.06.2009 13:45:30", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 66[InlineData("15.06.2009 1:45:30,000 PM", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwelveHour)] 67[InlineData("15.06.2009 1:45:30,123 PM", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 68[InlineData("15.06.2009 1:45:30,1234567 PM", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 69[InlineData("15.06.2009 1:45:30 PM", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwelveHour)] 70[InlineData("15.06.2009 1:45:30 PM", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 71[InlineData("15.06.2009 13:45:30,000", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.System)] 72[InlineData("15.06.2009 13:45:30,123", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 73[InlineData("15.06.2009 13:45:30,1234567", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 74[InlineData("15.06.2009 13:45:30", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.System)] 75[InlineData("15.06.2009 13:45:30", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 76public void FormatDateTime_WithMilliseconds_GermanCulture(string expected, MillisecondsDisplay includeMilliseconds, string value, TimeFormat timeFormat) 85[InlineData("15.6.2009 13.45.30,000", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwentyFourHour)] 86[InlineData("15.6.2009 13.45.30,123", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 87[InlineData("15.6.2009 13.45.30,1234567", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 88[InlineData("15.6.2009 13.45.30", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwentyFourHour)] 89[InlineData("15.6.2009 13.45.30", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 90[InlineData("15.6.2009 1.45.30,000 ip.", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwelveHour)] 91[InlineData("15.6.2009 1.45.30,123 ip.", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 92[InlineData("15.6.2009 1.45.30,1234567 ip.", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 93[InlineData("15.6.2009 1.45.30 ip.", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwelveHour)] 94[InlineData("15.6.2009 1.45.30 ip.", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 95[InlineData("15.6.2009 13.45.30,000", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.System)] 96[InlineData("15.6.2009 13.45.30,123", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 97[InlineData("15.6.2009 13.45.30,1234567", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 98[InlineData("15.6.2009 13.45.30", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.System)] 99[InlineData("15.6.2009 13.45.30", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 100public void FormatDateTime_WithMilliseconds_FinnishCulture(string expected, MillisecondsDisplay includeMilliseconds, string value, TimeFormat timeFormat) 109[InlineData("15/06/2009 1:45:30.000 pm", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwelveHour)] 110[InlineData("15/06/2009 1:45:30.123 pm", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 111[InlineData("15/06/2009 1:45:30.1234567 pm", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 112[InlineData("15/06/2009 1:45:30 pm", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwelveHour)] 113[InlineData("15/06/2009 1:45:30 pm", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwelveHour)] 114[InlineData("15/06/2009 13:45:30.000", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwentyFourHour)] 115[InlineData("15/06/2009 13:45:30.123", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 116[InlineData("15/06/2009 13:45:30.1234567", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 117[InlineData("15/06/2009 13:45:30", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.TwentyFourHour)] 118[InlineData("15/06/2009 13:45:30", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.TwentyFourHour)] 119[InlineData("15/06/2009 1:45:30.000 pm", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.0000000Z", TimeFormat.System)] 120[InlineData("15/06/2009 1:45:30.123 pm", MillisecondsDisplay.Truncated, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 121[InlineData("15/06/2009 1:45:30.1234567 pm", MillisecondsDisplay.Full, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 122[InlineData("15/06/2009 1:45:30 pm", MillisecondsDisplay.None, "2009-06-15T13:45:30.0000000Z", TimeFormat.System)] 123[InlineData("15/06/2009 1:45:30 pm", MillisecondsDisplay.None, "2009-06-15T13:45:30.1234567Z", TimeFormat.System)] 124public void FormatDateTime_WithMilliseconds_NewZealandCulture(string expected, MillisecondsDisplay includeMilliseconds, string value, TimeFormat timeFormat) 152[InlineData("2009-06-15T13:45:30.0000000Z", TimeFormat.TwelveHour, "1:45:30 PM")] 153[InlineData("2009-06-15T13:45:30.0000000Z", TimeFormat.TwentyFourHour, "13:45:30")] 154public void FormatTime_WithTimeFormatPreference(string value, TimeFormat format, string expected) 161var culture = format == TimeFormat.TwelveHour ? CultureInfo.GetCultureInfo("de-DE") : CultureInfo.GetCultureInfo("en-US"); 167[InlineData("2009-06-15T13:45:30.0000000Z", TimeFormat.TwelveHour, "6/15/2009 1:45:30 PM")] // en-US date pattern + 12h time 168[InlineData("2009-06-15T13:45:30.0000000Z", TimeFormat.TwentyFourHour, "6/15/2009 13:45:30")] // en-US date pattern + 24h time 169public void FormatDateTime_WithTimeFormatPreference_EnUS(string value, TimeFormat format, string expected) 179[InlineData("fi-FI", TimeFormat.TwentyFourHour, MillisecondsDisplay.None, "15.6.2009 13.45.30")] 180[InlineData("fi-FI", TimeFormat.TwentyFourHour, MillisecondsDisplay.Truncated, "15.6.2009 13.45.30,123")] 181[InlineData("fi-FI", TimeFormat.TwelveHour, MillisecondsDisplay.None, "15.6.2009 1.45.30 ip.")] 182[InlineData("fi-FI", TimeFormat.TwelveHour, MillisecondsDisplay.Truncated, "15.6.2009 1.45.30,123 ip.")] 183[InlineData("fi-FI", TimeFormat.System, MillisecondsDisplay.None, "15.6.2009 13.45.30")] 184[InlineData("fi-FI", TimeFormat.System, MillisecondsDisplay.Truncated, "15.6.2009 13.45.30,123")] 185[InlineData("de-DE", TimeFormat.TwentyFourHour, MillisecondsDisplay.Truncated, "15.06.2009 13:45:30,123")] 186[InlineData("de-DE", TimeFormat.TwelveHour, MillisecondsDisplay.Truncated, "15.06.2009 1:45:30,123 PM")] 187[InlineData("de-DE", TimeFormat.System, MillisecondsDisplay.Truncated, "15.06.2009 13:45:30,123")] 188[InlineData("en-US", TimeFormat.TwentyFourHour, MillisecondsDisplay.Truncated, "6/15/2009 13:45:30.123")] 189[InlineData("en-US", TimeFormat.TwelveHour, MillisecondsDisplay.Truncated, "6/15/2009 1:45:30.123 PM")] 190[InlineData("en-US", TimeFormat.System, MillisecondsDisplay.Truncated, "6/15/2009 1:45:30.123 PM")] 191public void FormatDateTime_WithTimeFormatPreference_UsesCultureSeparators(string cultureName, TimeFormat format, MillisecondsDisplay includeMilliseconds, string expected) 206provider.SetConfiguredTimeFormat(TimeFormat.TwelveHour); 220provider.SetConfiguredTimeFormat(TimeFormat.TwentyFourHour); 228[InlineData(TimeFormat.TwentyFourHour, "13:45:30")] // Browser reports 24-hour → use 24-hour 229[InlineData(TimeFormat.TwelveHour, "1:45:30 PM")] // Browser reports 12-hour → use 12-hour 230public void FormatTime_SystemFormat_UsesBrowserTimeFormat(TimeFormat browserTimeFormat, string expected) 241[InlineData(TimeFormat.TwentyFourHour, "6/15/2009 13:45:30")] // Browser reports 24-hour 242[InlineData(TimeFormat.TwelveHour, "6/15/2009 1:45:30 PM")] // Browser reports 12-hour 243public void FormatDateTime_SystemFormat_UsesBrowserTimeFormat(TimeFormat browserTimeFormat, string expected)