// |reftest| skip-if(winWidget||!this.hasOwnProperty("Intl")) -- Windows doesn't accept IANA names for the TZ env variable; Requires ICU time zone support // Imported tests from es6draft and then adapted to use ICU/CLDR time zone display names. function assertSame(expected, actual, message = undefined) { if (message !== undefined) assertEq(actual, expected, String(message)); else assertEq(actual, expected); } function assertTrue(actual, message = undefined) { assertSame(true, actual, message); } // File: lib/datetime.jsm const { DayOfWeek, Month, DateTime, TimeZone, Format, } = (function() { // 5.2 Algorithm Conventions function modulo(dividend, divisor) { assertTrue(typeof dividend === "number"); assertTrue(typeof divisor === "number"); assertTrue(divisor !== 0 && Number.isFinite(divisor)); let remainder = dividend % divisor; // NB: add +0 to convert -0 to +0 return (remainder >= 0 ? remainder + 0 : remainder + divisor); } // 7.1.4 ToInteger ( argument ) function ToInteger(number) { /* steps 1-2 */ assertTrue(typeof number === "number"); /* step 3 */ if (Number.isNaN(number)) return +0.0; /* step 4 */ if (number == 0.0 || !Number.isFinite(number)) return number; /* step 5 */ return Math.sign(number) * Math.floor(Math.abs(number)); } // 20.3.1.2 Day Number and Time within Day const msPerDay = 86400000; // 20.3.1.2 Day Number and Time within Day function Day(t) { assertTrue(typeof t === "number"); return Math.floor(t / msPerDay); } // 20.3.1.2 Day Number and Time within Day function TimeWithinDay(t) { assertTrue(typeof t === "number"); return modulo(t, msPerDay); } // 20.3.1.3 Year Number function DaysInYear(y) { assertTrue(typeof y === "number"); if (y % 4 !== 0) { return 365; } if (y % 100 !== 0) { return 366; } if (y % 400 !== 0) { return 365; } return 366; } // 20.3.1.3 Year Number function DayFromYear(y) { assertTrue(typeof y === "number"); return 365 * (y - 1970) + Math.floor((y - 1969) / 4) - Math.floor((y - 1901) / 100) + Math.floor((y - 1601) / 400); } // 20.3.1.3 Year Number function TimeFromYear(y) { assertTrue(typeof y === "number"); return msPerDay * DayFromYear(y); } // TODO: fill in rest // 20.3.1.10 Hours, Minutes, Second, and Milliseconds const HoursPerDay = 24; const MinutesPerHour = 60; const SecondsPerMinute = 60; const msPerSecond = 1000; const msPerMinute = msPerSecond * SecondsPerMinute; const msPerHour = msPerMinute * MinutesPerHour; // 20.3.1.10 Hours, Minutes, Second, and Milliseconds function HourFromTime(t) { assertTrue(typeof t === "number"); return modulo(Math.floor(t / msPerHour), HoursPerDay); } // 20.3.1.10 Hours, Minutes, Second, and Milliseconds function MinFromTime(t) { assertTrue(typeof t === "number"); return modulo(Math.floor(t / msPerMinute), MinutesPerHour); } // 20.3.1.10 Hours, Minutes, Second, and Milliseconds function SecFromTime(t) { assertTrue(typeof t === "number"); return modulo(Math.floor(t / msPerSecond), SecondsPerMinute); } // 20.3.1.10 Hours, Minutes, Second, and Milliseconds function msFromTime(t) { assertTrue(typeof t === "number"); return modulo(t, msPerSecond); } // 20.3.1.11 MakeTime (hour, min, sec, ms) function MakeTime(hour, min, sec, ms) { assertTrue(typeof hour === "number"); assertTrue(typeof min === "number"); assertTrue(typeof sec === "number"); assertTrue(typeof ms === "number"); if (!Number.isFinite(hour) || !Number.isFinite(min) || !Number.isFinite(sec) || !Number.isFinite(ms)) { return Number.NaN; } let h = ToInteger(hour); let m = ToInteger(min); let s = ToInteger(sec); let milli = ToInteger(ms); let t = h * msPerHour + m * msPerMinute + s * msPerSecond + milli; return t; } // 20.3.1.12 MakeDay (year, month, date) function MakeDay(year, month, date) { assertTrue(typeof year === "number"); assertTrue(typeof month === "number"); assertTrue(typeof date === "number"); if (!Number.isFinite(year) || !Number.isFinite(month) || !Number.isFinite(date)) { return Number.NaN; } let y = ToInteger(year); let m = ToInteger(month); let dt = ToInteger(date); let ym = y + Math.floor(m / 12); let mn = modulo(m, 12); const monthStart = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334]; let day = Math.floor(TimeFromYear(ym) / msPerDay) + monthStart[mn]; if (mn >= 2 && DaysInYear(ym) == 366) { day += 1; } return day + dt - 1; } // 20.3.1.13 MakeDate (day, time) function MakeDate(day, time) { assertTrue(typeof day === "number"); assertTrue(typeof time === "number"); if (!Number.isFinite(day) || !Number.isFinite(time)) { return Number.NaN; } return day * msPerDay + time; } // 20.3.1.14 TimeClip (time) function TimeClip(time) { assertTrue(typeof time === "number"); if (!Number.isFinite(time)) { return Number.NaN; } if (Math.abs(time) > 8.64e15) { return Number.NaN; } return ToInteger(time) + (+0); } const DayOfWeek = { Sunday: 0, Monday: 1, Tuesday: 2, Wednesday: 3, Thursday: 4, Friday: 5, Saturday: 6, }; const Month = { January: 0, February: 1, March: 2, April: 3, May: 4, June: 5, July: 6, August: 7, September: 8, October: 9, November: 10, December: 11, }; const DateTime = { Local: class { constructor(year, month, day, weekday, hour = 0, minute = 0, second = 0, ms = 0) { Object.assign(this, {year, month, day, weekday, hour, minute, second, ms}); } toDate() { return new Date(this.year, this.month, this.day, this.hour, this.minute, this.second, this.ms); } }, UTC: class { constructor(year, month, day, weekday, hour = 0, minute = 0, second = 0, ms = 0) { Object.assign(this, {year, month, day, weekday, hour, minute, second, ms}); } toInstant() { return MakeDate(MakeDay(this.year, this.month, this.day), MakeTime(this.hour, this.minute, this.second, this.ms)); } }, }; function TimeZone(hour, minute = 0, second = 0) { return new class TimeZone { constructor(hour, minute, second) { Object.assign(this, {hour, minute, second}); } toOffset() { let offset = TimeZoneOffset(this.hour, this.minute, this.second); return offset !== 0 ? -offset : 0; } }(hour, minute, second); function TimeZoneOffset(hour, minute = 0, second = 0) { assertTrue(typeof hour === "number"); assertTrue(typeof minute === "number"); assertTrue(typeof second === "number"); assertTrue(minute >= 0); assertTrue(second >= 0); if (hour < 0 || Object.is(-0, hour)) { return hour * MinutesPerHour - minute - (second / 60); } return hour * MinutesPerHour + minute + (second / 60); } } const Format = { Locale: "en-US", DateTime: { localeMatcher: "lookup", timeZone: void 0, weekday: "short", era: void 0, year: "numeric", month: "2-digit", day: "2-digit", hour: "2-digit", minute: "2-digit", second: "2-digit", timeZoneName: "short", formatMatcher: "best fit", hour12: void 0, }, Date: { localeMatcher: "lookup", timeZone: void 0, weekday: "short", era: void 0, year: "numeric", month: "2-digit", day: "2-digit", hour: void 0, minute: void 0, second: void 0, timeZoneName: void 0, formatMatcher: "best fit", hour12: void 0, }, Time: { localeMatcher: "lookup", timeZone: void 0, weekday: void 0, era: void 0, year: void 0, month: void 0, day: void 0, hour: "2-digit", minute: "2-digit", second: "2-digit", timeZoneName: "short", formatMatcher: "best fit", hour12: void 0, }, }; return { DayOfWeek, Month, DateTime, TimeZone, Format, }; })(); // File: lib/assert-datetime.js function assertDate(local, utc, timeZone, options, formatArgs) { let d = local.toDate(); assertDateValue(d, utc.toInstant(), timeZone.toOffset()); assertLocalDate(d, local); assertUTCDate(d, utc); assertDateString(d, options, formatArgs); } function assertDateValue(actual, dateValue, timeZoneOffset) { assertSame(dateValue, actual.valueOf(), `valueOf()[${dateValue - actual.valueOf()}]`); assertSame(dateValue, actual.getTime(), `valueOf()[${dateValue - actual.getTime()}]`); assertSame(timeZoneOffset, actual.getTimezoneOffset(), "getTimezoneOffset()"); } function assertLocalDate(actual, {year, month, day, weekday, hour = 0, minute = 0, second = 0, ms = 0}) { assertSame(year, actual.getFullYear(), "getFullYear()"); assertSame(month, actual.getMonth(), "getMonth()"); assertSame(day, actual.getDate(), "getDate()"); assertSame(weekday, actual.getDay(), "getDay()"); assertSame(hour, actual.getHours(), "getHours()"); assertSame(minute, actual.getMinutes(), "getMinutes()"); assertSame(second, actual.getSeconds(), "getSeconds()"); assertSame(ms, actual.getMilliseconds(), "getMilliseconds()"); } function assertUTCDate(actual, {year, month, day, weekday, hour = 0, minute = 0, second = 0, ms = 0}) { assertSame(year, actual.getUTCFullYear(), "getUTCFullYear()"); assertSame(month, actual.getUTCMonth(), "getUTCMonth()"); assertSame(day, actual.getUTCDate(), "getUTCDate()"); assertSame(weekday, actual.getUTCDay(), "getUTCDay()"); assertSame(hour, actual.getUTCHours(), "getUTCHours()"); assertSame(minute, actual.getUTCMinutes(), "getUTCMinutes()"); assertSame(second, actual.getUTCSeconds(), "getUTCSeconds()"); assertSame(ms, actual.getUTCMilliseconds(), "getUTCMilliseconds()"); } function assertDateString(actual, options, formatArgs = { LocaleString: [Format.Locale, Format.DateTime], LocaleDateString: [Format.Locale, Format.Date], LocaleTimeString: [Format.Locale, Format.Time], }) { for (var key of Object.keys(options)) { var args = formatArgs[key] || []; assertSame(options[key], actual[`to${key}`](...args), `to${key}()`); } } // File: Date/Africa_Monrovia.js // Liberia was the last country to switch to UTC based offsets (1972 May). inTimeZone("Africa/Monrovia", () => { { let local = new DateTime.Local(1972, Month.January, 6, DayOfWeek.Thursday, 0, 0, 0); let utc = new DateTime.UTC(1972, Month.January, 6, DayOfWeek.Thursday, 0, 44, 30); assertDate(local, utc, TimeZone(-0,44,30), { String: "Thu Jan 06 1972 00:00:00 GMT-0044 (Greenwich Mean Time)", UTCString: "Thu, 06 Jan 1972 00:44:30 GMT", }); } { let local = new DateTime.Local(1972, Month.January, 6, DayOfWeek.Thursday, 23, 59, 0); let utc = new DateTime.UTC(1972, Month.January, 7, DayOfWeek.Friday, 0, 43, 30); assertDate(local, utc, TimeZone(-0,44,30), { String: "Thu Jan 06 1972 23:59:00 GMT-0044 (Greenwich Mean Time)", UTCString: "Fri, 07 Jan 1972 00:43:30 GMT", }); } { let local = new DateTime.Local(1972, Month.January, 7, DayOfWeek.Friday, 0, 0, 0); let utc = new DateTime.UTC(1972, Month.January, 7, DayOfWeek.Friday, 0, 44, 30); assertDateValue(local.toDate(), utc.toInstant(), TimeZone(+0).toOffset()); assertDateString(local.toDate(), { String: "Fri Jan 07 1972 00:44:30 GMT+0000 (Greenwich Mean Time)", UTCString: "Fri, 07 Jan 1972 00:44:30 GMT", }); } { let local = new DateTime.Local(1972, Month.January, 7, DayOfWeek.Friday, 0, 44, 30); let utc = new DateTime.UTC(1972, Month.January, 7, DayOfWeek.Friday, 0, 44, 30); assertDate(local, utc, TimeZone(+0), { String: "Fri Jan 07 1972 00:44:30 GMT+0000 (Greenwich Mean Time)", UTCString: "Fri, 07 Jan 1972 00:44:30 GMT", }); } { let local = new DateTime.Local(1972, Month.January, 7, DayOfWeek.Friday, 0, 45, 0); let utc = new DateTime.UTC(1972, Month.January, 7, DayOfWeek.Friday, 0, 45, 0); assertDate(local, utc, TimeZone(+0), { String: "Fri Jan 07 1972 00:45:00 GMT+0000 (Greenwich Mean Time)", UTCString: "Fri, 07 Jan 1972 00:45:00 GMT", }); } { let local = new DateTime.Local(1972, Month.January, 8, DayOfWeek.Saturday, 0, 0, 0); let utc = new DateTime.UTC(1972, Month.January, 8, DayOfWeek.Saturday, 0, 0, 0); assertDate(local, utc, TimeZone(+0), { String: "Sat Jan 08 1972 00:00:00 GMT+0000 (Greenwich Mean Time)", UTCString: "Sat, 08 Jan 1972 00:00:00 GMT", }); } }); // File: Date/Africa_Monrovia.js // Africa/Tripoli switched from +02:00 to +01:00 and back. inTimeZone("Africa/Tripoli", () => { { // +02:00 (standard time) let local = new DateTime.Local(2012, Month.November, 1, DayOfWeek.Thursday, 0, 0, 0); let utc = new DateTime.UTC(2012, Month.October, 31, DayOfWeek.Wednesday, 22, 0, 0); assertDate(local, utc, TimeZone(+2), { String: "Thu Nov 01 2012 00:00:00 GMT+0200 (Eastern European Standard Time)", UTCString: "Wed, 31 Oct 2012 22:00:00 GMT", }); } { // +01:00 (standard time) let local = new DateTime.Local(2012, Month.December, 1, DayOfWeek.Saturday, 0, 0, 0); let utc = new DateTime.UTC(2012, Month.November, 30, DayOfWeek.Friday, 23, 0, 0); assertDate(local, utc, TimeZone(+1), { String: "Sat Dec 01 2012 00:00:00 GMT+0100 (Eastern European Standard Time)", UTCString: "Fri, 30 Nov 2012 23:00:00 GMT", }); } { // +01:00 (daylight savings) let local = new DateTime.Local(2013, Month.October, 1, DayOfWeek.Tuesday, 0, 0, 0); let utc = new DateTime.UTC(2013, Month.September, 30, DayOfWeek.Monday, 22, 0, 0); assertDate(local, utc, TimeZone(+2), { String: "Tue Oct 01 2013 00:00:00 GMT+0200 (Eastern European Summer Time)", UTCString: "Mon, 30 Sep 2013 22:00:00 GMT", }); } { // +02:00 (standard time) let local = new DateTime.Local(2013, Month.November, 1, DayOfWeek.Friday, 0, 0, 0); let utc = new DateTime.UTC(2013, Month.October, 31, DayOfWeek.Thursday, 22, 0, 0); assertDate(local, utc, TimeZone(+2), { String: "Fri Nov 01 2013 00:00:00 GMT+0200 (Eastern European Standard Time)", UTCString: "Thu, 31 Oct 2013 22:00:00 GMT", }); } }); // File: Date/America_Caracas.js // America/Caracas switched from -04:00 to -04:30 on 2007 Dec 9. inTimeZone("America/Caracas", () => { { // -04:00 (standard time) let local = new DateTime.Local(2007, Month.December, 5, DayOfWeek.Wednesday, 0, 0, 0); let utc = new DateTime.UTC(2007, Month.December, 5, DayOfWeek.Wednesday, 4, 0, 0); assertDate(local, utc, TimeZone(-4), { String: "Wed Dec 05 2007 00:00:00 GMT-0400 (Venezuela Time)", DateString: "Wed Dec 05 2007", TimeString: "00:00:00 GMT-0400 (Venezuela Time)", UTCString: "Wed, 05 Dec 2007 04:00:00 GMT", ISOString: "2007-12-05T04:00:00.000Z", LocaleString: "Wed, 12/05/2007, 12:00:00 AM GMT-4", LocaleDateString: "Wed, 12/05/2007", LocaleTimeString: "12:00:00 AM GMT-4", }); } { // -04:30 (standard time) let local = new DateTime.Local(2007, Month.December, 12, DayOfWeek.Wednesday, 0, 0, 0); let utc = new DateTime.UTC(2007, Month.December, 12, DayOfWeek.Wednesday, 4, 30, 0); assertDate(local, utc, TimeZone(-4, 30), { String: "Wed Dec 12 2007 00:00:00 GMT-0430 (Venezuela Time)", DateString: "Wed Dec 12 2007", TimeString: "00:00:00 GMT-0430 (Venezuela Time)", UTCString: "Wed, 12 Dec 2007 04:30:00 GMT", ISOString: "2007-12-12T04:30:00.000Z", LocaleString: "Wed, 12/12/2007, 12:00:00 AM GMT-4:30", LocaleDateString: "Wed, 12/12/2007", LocaleTimeString: "12:00:00 AM GMT-4:30", }); } }); // File: Date/Australia_Lord_Howe.js // Australia/Lord_Howe time zone offset is +10:30 and daylight savings amount is 00:30. inTimeZone("Australia/Lord_Howe", () => { { // +10:30 (standard time) let local = new DateTime.Local(2010, Month.August, 1, DayOfWeek.Sunday, 0, 0, 0); let utc = new DateTime.UTC(2010, Month.July, 31, DayOfWeek.Saturday, 13, 30, 0); assertDate(local, utc, TimeZone(+10,30), { String: "Sun Aug 01 2010 00:00:00 GMT+1030 (Lord Howe Standard Time)", DateString: "Sun Aug 01 2010", TimeString: "00:00:00 GMT+1030 (Lord Howe Standard Time)", UTCString: "Sat, 31 Jul 2010 13:30:00 GMT", ISOString: "2010-07-31T13:30:00.000Z", LocaleString: "Sun, 08/01/2010, 12:00:00 AM GMT+10:30", LocaleDateString: "Sun, 08/01/2010", LocaleTimeString: "12:00:00 AM GMT+10:30", }); } { // +10:30 (daylight savings) let local = new DateTime.Local(2010, Month.January, 3, DayOfWeek.Sunday, 0, 0, 0); let utc = new DateTime.UTC(2010, Month.January, 2, DayOfWeek.Saturday, 13, 0, 0); assertDate(local, utc, TimeZone(+11), { String: "Sun Jan 03 2010 00:00:00 GMT+1100 (Lord Howe Daylight Time)", DateString: "Sun Jan 03 2010", TimeString: "00:00:00 GMT+1100 (Lord Howe Daylight Time)", UTCString: "Sat, 02 Jan 2010 13:00:00 GMT", ISOString: "2010-01-02T13:00:00.000Z", LocaleString: "Sun, 01/03/2010, 12:00:00 AM GMT+11", LocaleDateString: "Sun, 01/03/2010", LocaleTimeString: "12:00:00 AM GMT+11", }); } }); // File: Date/Europe_Amsterdam.js // Europe/Amsterdam as an example for mean time like timezones after LMT (AMT, NST). // // tzdata2022b changed Europe/Amsterdam into a link to Europe/Brussels. inTimeZone("Europe/Amsterdam", () => { { let local = new DateTime.Local(1935, Month.January, 1, DayOfWeek.Tuesday, 0, 0, 0); let utc = new DateTime.UTC(1935, Month.January, 1, DayOfWeek.Tuesday, 0, 0, 0); assertDate(local, utc, TimeZone(+0,0,0), { String: "Tue Jan 01 1935 00:00:00 GMT+0000 (Central European Standard Time)", UTCString: "Tue, 01 Jan 1935 00:00:00 GMT", }); } { let local = new DateTime.Local(1935, Month.July, 1, DayOfWeek.Monday, 0, 0, 0); let utc = new DateTime.UTC(1935, Month.June, 30, DayOfWeek.Sunday, 23, 0, 0); assertDate(local, utc, TimeZone(+1,0,0), { String: "Mon Jul 01 1935 00:00:00 GMT+0100 (Central European Summer Time)", UTCString: "Sun, 30 Jun 1935 23:00:00 GMT", }); } }); // Use America/St_Johns as a replacement for the Europe/Amsterdam test case. // // Zone America/St_Johns as an example for mean time like timezones after LMT (NST, NDT). inTimeZone("America/St_Johns", () => { { let local = new DateTime.Local(1917, Month.January, 1, DayOfWeek.Monday, 0, 0, 0); let utc = new DateTime.UTC(1917, Month.January, 1, DayOfWeek.Monday, 3, 30, 52); assertDate(local, utc, TimeZone(-3,30,52), { String: "Mon Jan 01 1917 00:00:00 GMT-0330 (Newfoundland Standard Time)", UTCString: "Mon, 01 Jan 1917 03:30:52 GMT", }); } { let local = new DateTime.Local(1917, Month.July, 1, DayOfWeek.Sunday, 0, 0, 0); let utc = new DateTime.UTC(1917, Month.July, 1, DayOfWeek.Sunday, 2, 30, 52); assertDate(local, utc, TimeZone(-2,30,52), { String: "Sun Jul 01 1917 00:00:00 GMT-0230 (Newfoundland Daylight Time)", UTCString: "Sun, 01 Jul 1917 02:30:52 GMT", }); } }); // File: Date/Europe_London.js inTimeZone("Europe/London", () => { { // +01:00 (standard time) let local = new DateTime.Local(1970, Month.January, 1, DayOfWeek.Thursday, 0, 0, 0); let utc = new DateTime.UTC(1969, Month.December, 31, DayOfWeek.Wednesday, 23, 0, 0); assertDate(local, utc, TimeZone(+1), { String: "Thu Jan 01 1970 00:00:00 GMT+0100 (Greenwich Mean Time)", DateString: "Thu Jan 01 1970", TimeString: "00:00:00 GMT+0100 (Greenwich Mean Time)", UTCString: "Wed, 31 Dec 1969 23:00:00 GMT", ISOString: "1969-12-31T23:00:00.000Z", LocaleString: "Thu, 01/01/1970, 12:00:00 AM GMT+1", LocaleDateString: "Thu, 01/01/1970", LocaleTimeString: "12:00:00 AM GMT+1", }); } }); // File: Date/Europe_Moscow.js inTimeZone("Europe/Moscow", () => { { let local = new DateTime.Local(1970, Month.January, 1, DayOfWeek.Thursday, 0, 0, 0); let utc = new DateTime.UTC(1969, Month.December, 31, DayOfWeek.Wednesday, 21, 0, 0); assertDate(local, utc, TimeZone(+3), { String: "Thu Jan 01 1970 00:00:00 GMT+0300 (Moscow Standard Time)", DateString: "Thu Jan 01 1970", TimeString: "00:00:00 GMT+0300 (Moscow Standard Time)", UTCString: "Wed, 31 Dec 1969 21:00:00 GMT", ISOString: "1969-12-31T21:00:00.000Z", LocaleString: "Thu, 01/01/1970, 12:00:00 AM GMT+3", LocaleDateString: "Thu, 01/01/1970", LocaleTimeString: "12:00:00 AM GMT+3", }); } // Russia was in +02:00 starting on 1991-03-31 until 1992-01-19, // while still observing DST (transitions 1991-03-31 and 1991-09-29). { // +03:00 (daylight savings) let local = new DateTime.Local(1990, Month.September, 1, DayOfWeek.Saturday, 0, 0, 0); let utc = new DateTime.UTC(1990, Month.August, 31, DayOfWeek.Friday, 20, 0, 0); assertDate(local, utc, TimeZone(+4), { String: "Sat Sep 01 1990 00:00:00 GMT+0400 (Moscow Summer Time)", DateString: "Sat Sep 01 1990", TimeString: "00:00:00 GMT+0400 (Moscow Summer Time)", UTCString: "Fri, 31 Aug 1990 20:00:00 GMT", ISOString: "1990-08-31T20:00:00.000Z", LocaleString: "Sat, 09/01/1990, 12:00:00 AM GMT+4", LocaleDateString: "Sat, 09/01/1990", LocaleTimeString: "12:00:00 AM GMT+4", }); } { // +03:00 (standard time) let local = new DateTime.Local(1991, Month.March, 25, DayOfWeek.Monday, 0, 0, 0); let utc = new DateTime.UTC(1991, Month.March, 24, DayOfWeek.Sunday, 21, 0, 0); assertDate(local, utc, TimeZone(+3), { String: "Mon Mar 25 1991 00:00:00 GMT+0300 (Moscow Standard Time)", DateString: "Mon Mar 25 1991", TimeString: "00:00:00 GMT+0300 (Moscow Standard Time)", UTCString: "Sun, 24 Mar 1991 21:00:00 GMT", ISOString: "1991-03-24T21:00:00.000Z", LocaleString: "Mon, 03/25/1991, 12:00:00 AM GMT+3", LocaleDateString: "Mon, 03/25/1991", LocaleTimeString: "12:00:00 AM GMT+3", }); } { // +02:00 (daylight savings) let local = new DateTime.Local(1991, Month.March, 31, DayOfWeek.Sunday, 12, 0, 0); let utc = new DateTime.UTC(1991, Month.March, 31, DayOfWeek.Sunday, 9, 0, 0); assertDate(local, utc, TimeZone(+3), { String: "Sun Mar 31 1991 12:00:00 GMT+0300 (Moscow Summer Time)", DateString: "Sun Mar 31 1991", TimeString: "12:00:00 GMT+0300 (Moscow Summer Time)", UTCString: "Sun, 31 Mar 1991 09:00:00 GMT", ISOString: "1991-03-31T09:00:00.000Z", LocaleString: "Sun, 03/31/1991, 12:00:00 PM GMT+3", LocaleDateString: "Sun, 03/31/1991", LocaleTimeString: "12:00:00 PM GMT+3", }); } { // +02:00 (daylight savings) let local = new DateTime.Local(1991, Month.September, 28, DayOfWeek.Saturday, 0, 0, 0); let utc = new DateTime.UTC(1991, Month.September, 27, DayOfWeek.Friday, 21, 0, 0); assertDate(local, utc, TimeZone(+3), { String: "Sat Sep 28 1991 00:00:00 GMT+0300 (Moscow Summer Time)", DateString: "Sat Sep 28 1991", TimeString: "00:00:00 GMT+0300 (Moscow Summer Time)", UTCString: "Fri, 27 Sep 1991 21:00:00 GMT", ISOString: "1991-09-27T21:00:00.000Z", LocaleString: "Sat, 09/28/1991, 12:00:00 AM GMT+3", LocaleDateString: "Sat, 09/28/1991", LocaleTimeString: "12:00:00 AM GMT+3", }); } { // +02:00 (standard time) let local = new DateTime.Local(1991, Month.September, 30, DayOfWeek.Monday, 0, 0, 0); let utc = new DateTime.UTC(1991, Month.September, 29, DayOfWeek.Sunday, 22, 0, 0); assertDate(local, utc, TimeZone(+2), { String: "Mon Sep 30 1991 00:00:00 GMT+0200 (Moscow Standard Time)", DateString: "Mon Sep 30 1991", TimeString: "00:00:00 GMT+0200 (Moscow Standard Time)", UTCString: "Sun, 29 Sep 1991 22:00:00 GMT", ISOString: "1991-09-29T22:00:00.000Z", LocaleString: "Mon, 09/30/1991, 12:00:00 AM GMT+2", LocaleDateString: "Mon, 09/30/1991", LocaleTimeString: "12:00:00 AM GMT+2", }); } // Russia stopped observing DST in Oct. 2010 (last transition on 2010-10-31), // and changed timezone from +03:00 to +04:00 on 2011-03-27. { // +03:00 (daylight savings) let local = new DateTime.Local(2010, Month.October, 30, DayOfWeek.Saturday, 0, 0, 0); let utc = new DateTime.UTC(2010, Month.October, 29, DayOfWeek.Friday, 20, 0, 0); assertDate(local, utc, TimeZone(+4), { String: "Sat Oct 30 2010 00:00:00 GMT+0400 (Moscow Summer Time)", DateString: "Sat Oct 30 2010", TimeString: "00:00:00 GMT+0400 (Moscow Summer Time)", UTCString: "Fri, 29 Oct 2010 20:00:00 GMT", ISOString: "2010-10-29T20:00:00.000Z", LocaleString: "Sat, 10/30/2010, 12:00:00 AM GMT+4", LocaleDateString: "Sat, 10/30/2010", LocaleTimeString: "12:00:00 AM GMT+4", }); } { // +03:00 (standard time) let local = new DateTime.Local(2010, Month.November, 1, DayOfWeek.Monday, 0, 0, 0); let utc = new DateTime.UTC(2010, Month.October, 31, DayOfWeek.Sunday, 21, 0, 0); assertDate(local, utc, TimeZone(+3), { String: "Mon Nov 01 2010 00:00:00 GMT+0300 (Moscow Standard Time)", DateString: "Mon Nov 01 2010", TimeString: "00:00:00 GMT+0300 (Moscow Standard Time)", UTCString: "Sun, 31 Oct 2010 21:00:00 GMT", ISOString: "2010-10-31T21:00:00.000Z", LocaleString: "Mon, 11/01/2010, 12:00:00 AM GMT+3", LocaleDateString: "Mon, 11/01/2010", LocaleTimeString: "12:00:00 AM GMT+3", }); } { // +04:00 (standard time) let local = new DateTime.Local(2011, Month.October, 30, DayOfWeek.Sunday, 0, 0, 0); let utc = new DateTime.UTC(2011, Month.October, 29, DayOfWeek.Saturday, 20, 0, 0); assertDate(local, utc, TimeZone(+4), { String: "Sun Oct 30 2011 00:00:00 GMT+0400 (Moscow Standard Time)", DateString: "Sun Oct 30 2011", TimeString: "00:00:00 GMT+0400 (Moscow Standard Time)", UTCString: "Sat, 29 Oct 2011 20:00:00 GMT", ISOString: "2011-10-29T20:00:00.000Z", LocaleString: "Sun, 10/30/2011, 12:00:00 AM GMT+4", LocaleDateString: "Sun, 10/30/2011", LocaleTimeString: "12:00:00 AM GMT+4", }); } { // +04:00 (standard time) let local = new DateTime.Local(2011, Month.November, 1, DayOfWeek.Tuesday, 0, 0, 0); let utc = new DateTime.UTC(2011, Month.October, 31, DayOfWeek.Monday, 20, 0, 0); assertDate(local, utc, TimeZone(+4), { String: "Tue Nov 01 2011 00:00:00 GMT+0400 (Moscow Standard Time)", DateString: "Tue Nov 01 2011", TimeString: "00:00:00 GMT+0400 (Moscow Standard Time)", UTCString: "Mon, 31 Oct 2011 20:00:00 GMT", ISOString: "2011-10-31T20:00:00.000Z", LocaleString: "Tue, 11/01/2011, 12:00:00 AM GMT+4", LocaleDateString: "Tue, 11/01/2011", LocaleTimeString: "12:00:00 AM GMT+4", }); } // Russia changed timezone from +04:00 to +03:00 on 2014-10-26. { // +04:00 (standard time) let local = new DateTime.Local(2014, Month.October, 26, DayOfWeek.Sunday, 0, 0, 0); let utc = new DateTime.UTC(2014, Month.October, 25, DayOfWeek.Saturday, 20, 0, 0); assertDate(local, utc, TimeZone(+4), { String: "Sun Oct 26 2014 00:00:00 GMT+0400 (Moscow Standard Time)", DateString: "Sun Oct 26 2014", TimeString: "00:00:00 GMT+0400 (Moscow Standard Time)", UTCString: "Sat, 25 Oct 2014 20:00:00 GMT", ISOString: "2014-10-25T20:00:00.000Z", LocaleString: "Sun, 10/26/2014, 12:00:00 AM GMT+4", LocaleDateString: "Sun, 10/26/2014", LocaleTimeString: "12:00:00 AM GMT+4", }); } { // +03:00 (standard time) let local = new DateTime.Local(2014, Month.October, 27, DayOfWeek.Monday, 0, 0, 0); let utc = new DateTime.UTC(2014, Month.October, 26, DayOfWeek.Sunday, 21, 0, 0); assertDate(local, utc, TimeZone(+3), { String: "Mon Oct 27 2014 00:00:00 GMT+0300 (Moscow Standard Time)", DateString: "Mon Oct 27 2014", TimeString: "00:00:00 GMT+0300 (Moscow Standard Time)", UTCString: "Sun, 26 Oct 2014 21:00:00 GMT", ISOString: "2014-10-26T21:00:00.000Z", LocaleString: "Mon, 10/27/2014, 12:00:00 AM GMT+3", LocaleDateString: "Mon, 10/27/2014", LocaleTimeString: "12:00:00 AM GMT+3", }); } }); // File: Date/Pacific_Apia.js // Pacific/Apia switched from -11:00 to +13:00 on 2011 Dec 29 24:00. inTimeZone("Pacific/Apia", () => { { // -11:00 (daylight savings) let local = new DateTime.Local(2011, Month.December, 29, DayOfWeek.Thursday, 0, 0, 0); let utc = new DateTime.UTC(2011, Month.December, 29, DayOfWeek.Thursday, 10, 0, 0); assertDate(local, utc, TimeZone(-10), { String: "Thu Dec 29 2011 00:00:00 GMT-1000 (Apia Daylight Time)", DateString: "Thu Dec 29 2011", TimeString: "00:00:00 GMT-1000 (Apia Daylight Time)", UTCString: "Thu, 29 Dec 2011 10:00:00 GMT", ISOString: "2011-12-29T10:00:00.000Z", LocaleString: "Thu, 12/29/2011, 12:00:00 AM GMT-10", LocaleDateString: "Thu, 12/29/2011", LocaleTimeString: "12:00:00 AM GMT-10", }); } { // +13:00 (daylight savings) let local = new DateTime.Local(2011, Month.December, 31, DayOfWeek.Saturday, 0, 0, 0); let utc = new DateTime.UTC(2011, Month.December, 30, DayOfWeek.Friday, 10, 0, 0); assertDate(local, utc, TimeZone(+14), { String: "Sat Dec 31 2011 00:00:00 GMT+1400 (Apia Daylight Time)", DateString: "Sat Dec 31 2011", TimeString: "00:00:00 GMT+1400 (Apia Daylight Time)", UTCString: "Fri, 30 Dec 2011 10:00:00 GMT", ISOString: "2011-12-30T10:00:00.000Z", LocaleString: "Sat, 12/31/2011, 12:00:00 AM GMT+14", LocaleDateString: "Sat, 12/31/2011", LocaleTimeString: "12:00:00 AM GMT+14", }); } { // +13:00 (standard time) let local = new DateTime.Local(2012, Month.April, 2, DayOfWeek.Monday, 0, 0, 0); let utc = new DateTime.UTC(2012, Month.April, 1, DayOfWeek.Sunday, 11, 0, 0); assertDate(local, utc, TimeZone(+13), { String: "Mon Apr 02 2012 00:00:00 GMT+1300 (Apia Standard Time)", DateString: "Mon Apr 02 2012", TimeString: "00:00:00 GMT+1300 (Apia Standard Time)", UTCString: "Sun, 01 Apr 2012 11:00:00 GMT", ISOString: "2012-04-01T11:00:00.000Z", LocaleString: "Mon, 04/02/2012, 12:00:00 AM GMT+13", LocaleDateString: "Mon, 04/02/2012", LocaleTimeString: "12:00:00 AM GMT+13", }); } }); // File: Date/Pacific_Chatham.js // Pacific/Chatham time zone offset is 12:45. inTimeZone("Pacific/Chatham", () => { { // +12:45 (standard time) let local = new DateTime.Local(2010, Month.August, 1, DayOfWeek.Sunday, 0, 0, 0); let utc = new DateTime.UTC(2010, Month.July, 31, DayOfWeek.Saturday, 11, 15, 0); assertDate(local, utc, TimeZone(+12,45), { String: "Sun Aug 01 2010 00:00:00 GMT+1245 (Chatham Standard Time)", DateString: "Sun Aug 01 2010", TimeString: "00:00:00 GMT+1245 (Chatham Standard Time)", UTCString: "Sat, 31 Jul 2010 11:15:00 GMT", ISOString: "2010-07-31T11:15:00.000Z", LocaleString: "Sun, 08/01/2010, 12:00:00 AM GMT+12:45", LocaleDateString: "Sun, 08/01/2010", LocaleTimeString: "12:00:00 AM GMT+12:45", }); } { // +12:45 (daylight savings) let local = new DateTime.Local(2010, Month.January, 3, DayOfWeek.Sunday, 0, 0, 0); let utc = new DateTime.UTC(2010, Month.January, 2, DayOfWeek.Saturday, 10, 15, 0); assertDate(local, utc, TimeZone(+13,45), { String: "Sun Jan 03 2010 00:00:00 GMT+1345 (Chatham Daylight Time)", DateString: "Sun Jan 03 2010", TimeString: "00:00:00 GMT+1345 (Chatham Daylight Time)", UTCString: "Sat, 02 Jan 2010 10:15:00 GMT", ISOString: "2010-01-02T10:15:00.000Z", LocaleString: "Sun, 01/03/2010, 12:00:00 AM GMT+13:45", LocaleDateString: "Sun, 01/03/2010", LocaleTimeString: "12:00:00 AM GMT+13:45", }); } }); // File: Date/Pacific_Kiritimati.js // Pacific/Kiritimati time zone offset is +14:00. inTimeZone("Pacific/Kiritimati", () => { { // +14:00 (standard time) let local = new DateTime.Local(2010, Month.August, 1, DayOfWeek.Sunday, 0, 0, 0); let utc = new DateTime.UTC(2010, Month.July, 31, DayOfWeek.Saturday, 10, 0, 0); assertDate(local, utc, TimeZone(+14), { String: "Sun Aug 01 2010 00:00:00 GMT+1400 (Line Islands Time)", DateString: "Sun Aug 01 2010", TimeString: "00:00:00 GMT+1400 (Line Islands Time)", UTCString: "Sat, 31 Jul 2010 10:00:00 GMT", ISOString: "2010-07-31T10:00:00.000Z", LocaleString: "Sun, 08/01/2010, 12:00:00 AM GMT+14", LocaleDateString: "Sun, 08/01/2010", LocaleTimeString: "12:00:00 AM GMT+14", }); } // Pacific/Kiritimati time zone offset was -10:40 until Oct. 1979. { // -10:40 (standard time) let local = new DateTime.Local(1975, Month.January, 1, DayOfWeek.Wednesday, 0, 0, 0); let utc = new DateTime.UTC(1975, Month.January, 1, DayOfWeek.Wednesday, 10, 40, 0); assertDate(local, utc, TimeZone(-10,40), { String: "Wed Jan 01 1975 00:00:00 GMT-1040 (Line Islands Time)", DateString: "Wed Jan 01 1975", TimeString: "00:00:00 GMT-1040 (Line Islands Time)", UTCString: "Wed, 01 Jan 1975 10:40:00 GMT", ISOString: "1975-01-01T10:40:00.000Z", LocaleString: "Wed, 01/01/1975, 12:00:00 AM GMT-10:40", LocaleDateString: "Wed, 01/01/1975", LocaleTimeString: "12:00:00 AM GMT-10:40", }); } }); // File: Date/Pacifi_Niue.js // Pacific/Niue time zone offset was -11:20 from 1952 through 1964. inTimeZone("Pacific/Niue", () => { { // -11:20 (standard time) let local = new DateTime.Local(1956, Month.January, 1, DayOfWeek.Sunday, 0, 0, 0); let utc = new DateTime.UTC(1956, Month.January, 1, DayOfWeek.Sunday, 11, 20, 0); assertDate(local, utc, TimeZone(-11,20), { String: "Sun Jan 01 1956 00:00:00 GMT-1120 (Niue Time)", DateString: "Sun Jan 01 1956", TimeString: "00:00:00 GMT-1120 (Niue Time)", UTCString: "Sun, 01 Jan 1956 11:20:00 GMT", ISOString: "1956-01-01T11:20:00.000Z", LocaleString: "Sun, 01/01/1956, 12:00:00 AM GMT-11:20", LocaleDateString: "Sun, 01/01/1956", LocaleTimeString: "12:00:00 AM GMT-11:20", }); } }); if (typeof reportCompare === "function") reportCompare(true, true);