[tz] [PROPOSED PATCH 2/4] Phase out invented abbrs for Antarctica
alexander.belopolsky at gmail.com
Wed Aug 24 04:32:21 UTC 2016
It looks like the decree № 59 was not implemented and replaced by decree №
147 <http://istmat.info/node/35854> which postponed the implementation
until July 1, 1919. This is close to the date in tzdata, but it would
still make more sense to have transition on a round UTC hour rather than at
On Tue, Aug 23, 2016 at 11:57 PM, Alexander Belopolsky <
alexander.belopolsky at gmail.com> wrote:
> On Tue, Aug 23, 2016 at 9:25 PM, Paul Eggert <eggert at cs.ucla.edu> wrote:
> >> What's the difference between MSM (Midsummer) and MDST (Moscow Double
> >> Summer Time)? Both seem to be +05 = MSK + 2, but got different
> >> abbreviations.
> > The former differs from UT by an integer number of hours, the latter
> does not.
> Interesting. It looks like the transition to integer offset from UTC is
> recorded as happening on Mon Jun 30 21:28:41 1919 UT (from zdump -v
> output.) However, according to this February 18, 1919 decree № 59 <
> http://istmat.info/node/35567>, the GMT-based system of 11 zones (belts)
> went into effect on GMT midnight, April 1, 1919. The decree does not
> mention Moscow time, but the UTC+2 belt boundaries are defined by the state
> boundaries on the West and rivers Volga and Don on the east which places
> Moscow in UTC+2. The decree does not establish DST rules, but allows
> regional DST shifts by integer number of hours only.
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the tz