Dayjs Tz Parse Time String Incorrect Issue 1915 Iamkun Dayjs Github

Dayjs Tz Parse Time String Incorrect Issue 1915 Iamkun Dayjs Github So the problem is using dayjs.tz () without a time zone parameter to parse a date string. if .tz is used with javascript date object as only parameter, the information of that object are taken to set the corresponding values of the dayjs object (e.g. hours, time zone, offset). Please read the day.js documentation about string parsing and "parsing in zone". i fixed using utc first and then format on local timezone. const timezone = dayjs.tz.guess() this is the fix. what is utcdate? try this: dayjs("2020 09 21 20:30").tz("asia taipei").local().todate();.

Dayjs Tz Parse Time String Incorrect Issue 1915 Iamkun Dayjs Github If you know the format of an input string, you can use that to parse a date, the arguments are the same as string format. parse date time string in the given timezone and return a day.js object instance. The issue is that the function is not converting correctly between timezones. simplest case to see is when converting to the same timezone is leading to the time to be changed!. The behavior when parsing an invalid date string differs between dayjs( ), which returns an invalid date, and dayjs.tz( ), which throws rangeerror: invalid time value. Timezone adds `dayjs.tz` `.tz` `.tz.guess` `.tz.setdefault` apis to parse or display between time zones.

Github Iamkun Dayjs вџ Day Js 2kb Immutable Date Time Library The behavior when parsing an invalid date string differs between dayjs( ), which returns an invalid date, and dayjs.tz( ), which throws rangeerror: invalid time value. Timezone adds `dayjs.tz` `.tz` `.tz.guess` `.tz.setdefault` apis to parse or display between time zones. Process.env.tz = 'america recife'; workaround: using recife because it hasn't dst previously. ps: may the bug with tz is a so nodejs related const now = new date (); const dayjs = require ('dayjs'); const utc = require ('dayjs plugin utc'); const timezone = require ('dayjs plugin timezone'); dayjs.extend (timezone); dayjs.extend (utc);. There is a difference in result between what date type you provide when parsing under specific timezone. this does not seem to be intentional. let the code speak for itself: successfully merging a pull request may close this issue. The issue is that the function is not converting correctly between timezones. simplest case to see is when converting to the same timezone is leading to the time to be changed!. 21 yes! you can disable converting to local timezone in dayjs by passing in the original timezone as an additional argument in the dayjs constructor. example: const somedate = "2023 02 13t09:00:00.000 05:00"; const originaltimezone = somedate.slice( 6); const formatteddate = dayjs(somedate).utcoffset(originaltimezone).format('h:mm a');.

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