[tz] Europe/Volgograd change from UTC+3 to UTC+4 from 28oct2018

[Stepan Golosunov]

29.09.2018 в 03:01:31 -0700 Paul Eggert написал:
> Thanks for the heads-up. As it looks much more likely that this change will
> happen than it won't, I installed the attached patch into the development
> version on GitHub. Presumably we should generate a new tzdb release soon
> after the Volgograd change becomes official, if we haven't generated one
> already.
> 
> It's too bad the Russian officials aren't giving us much notice.

> +  Volgograd moves from +03 to +04 on 2018-10-28.

The law has been published today on
http://publication.pravo.gov.ru/Document/View/0001201810110037