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Microsoft has released an update for the time zones of Russia

BUILTIN \ Administrator, I remind you that on October 26 there will be a clock transfer in Russia. You have a whole month to prepare and test, at Microsoft almost everything is ready
I also remind you that this is not just a translation of the hands, but also the introduction of new time zones and the removal of old ones. On some systems, you will have to handle, as far as you can automate them, change the time zone. This should begin to do now.


For Windows Server 2003 \ 2003 R2, there is no update yet, but there will be. But for XP, judging by the article, it is not planned. But do not be discouraged, for sure it will be possible to tear out the update for 2003 R2 as soon as it appears!

All the details are on the link to update KB2998527 . It also says how to turn it from the command line.

Very important: Pre-update occurs through the mechanism of "summer" time. Thus, in order to maintain working capacity, it is imperative that you switch on the “summer” time, since it is he who before October 26, 2014 gives that one hour, compensating for the time zone rollback.
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The document itself, where everything is spelled out in detail is called the Federal Law of 21.07.2014 No. 248- “On Amendments to the Federal Law“ On the Calculation of Time ”

A bit of “weird non-obviousness”
Immediately after the update, the zones will begin to appear in the new format and an hour less. That's right, no need to roll back!
The fact is that during this time period the “Summer” time will be set, which gives the difference in (DST = TZ + 01: 00) to the time zone. Thus (for example - Moscow)
(UTC+04:00) = (UTC+03:00) + (DST +01:00)
That is, the time zone is +3 and another +1 for „Summer“ time.

However, you need to make sure that your summer / winter time transfer is enabled on your PC.

PS> This post is free from political sracha, I hope

Source: https://habr.com/ru/post/238019/


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