On Tue, Aug 23, 2016 at 7:55 PM, Paul Eggert <eggert@cs.ucla.edu> wrote:
+ ... For Europe/Moscow the + invented abbreviation MSM was replaced by +05, whereas MSK and MSD + were kept as they are not our invention and are widely used.
What's the difference between MSM (Midsummer) and MDST (Moscow Double Summer Time)? Both seem to be +05 = MSK + 2, but got different abbreviations. BTW, the earlier Soviet decrees have been collected on the istmat.info web site. For example, (transition date: url): Dec 28, 1917: http://istmat.info/node/28137 May 31, 1918: http://istmat.info/node/30001 May 31, 1919: http://istmat.info/node/37949 Feb 14, 1921: http://istmat.info/node/45840 May 20, 1921: http://istmat.info/node/45949 You may want to reference these documents in the source files.