[tz] Europe/Minsk: September 1992 transition is incorrect?

Paul Eggert eggert at cs.ucla.edu
Sat Jul 2 20:05:20 UTC 2016

On 07/01/2016 11:03 PM, Stepan Golosunov wrote:
> I suspect that lines 2:00 1:00 EEST 1991 Sep 29 2:00s 2:00 - EET 1992 
> Mar 29 0:00s 2:00 1:00 EEST 1992 Sep 27 0:00s should be removed from 
> Europe/Minsk. 

Yes, thanks, as you suspected those lines date back to when we had the 
wrong early-1990s transition times for Russia, and for Belarus as well. 
(I think they were from Shanks but do not have my copy of Shanks handy.) 
Evidently we fixed the former but not the latter. I installed the 
attached patch to fix this.

This is all somewhat independent of the problem that started this 
thread, which was merely that the "0:00s" was confusing. Any time 
between 0:00 and 2:00 could have been put there, without changing the 
meaning of the table. Even the date could have been changed to July 1 
without changing anything. It was a (confusing) no-change transition.

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