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I am running my web apps in UTC+0530 timezone. I want to find the daylight saving time of UTC+0000 time zone. Is it possible in javascript?

DSlomer64
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Varatharaj
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    Which country are you interested in, as UTC+0000 is used by several, and not all of them use daylight savings – Rowland Shaw Jun 04 '15 at 07:52
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    could be a duplicate of http://stackoverflow.com/questions/11887934/check-if-daylight-saving-time-is-in-effect-and-if-it-is-for-how-many-hours but the author is interessed by DST NOT of his country – Emmanuel Gleizer Jun 04 '15 at 07:53
  • http://www.timeanddate.com/time/zones/ist – mplungjan Jun 04 '15 at 07:54
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    Obligatory explanation of why the only way to do this is to use a recently updated `tzdata`: https://www.youtube.com/watch?v=-5wpm-gesOY – slebetman Jun 04 '15 at 08:07
  • You have the cart before the horse. Time zone offsets do not use daylight saving time, but rather daylight saving time controls how a time zone will *change* its offset. You need to read [the timezone tag wiki](http://stackoverflow.com/tags/timezone/info), especially the section "Time Zone != Offset". – Matt Johnson-Pint Jun 05 '15 at 17:18

2 Answers2

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Using javascript only no. The logic to determine if a country XXX is following DST or no can't be calculated by javascript because it's more ... politic.

See also How to know whether a country is using Daylight Saving Time using JavaScript? which gives a code to theorically calculate what the DST should be.

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Emmanuel Gleizer
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If you want a native javascript way to do this, and perhaps if this is a one-off requirement, then the SO link by @Emmanuel above is right for you.

If you want to perform different types of date manipulation, I would recommend using the moment.js library.

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TheFoot
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