Changes

During the First World War, unoccupied France was and Belgium were in the same time zone as Great Britain, (Greenwich Mean Time). Germany was one hour ahead (GMT+1), as were the German occupied areas of France and Belgium. Germany first introduced Daylight Saving time Sunday, 30 April 1916, 23:00:00 when clocks were forwarded one hour. France followed on Wednesday, 14 June 1916, 23:00:00 pm when clocks were forwarded 1 hour. (Details.<ref>[https://en.wikipedia.org/wiki/Time_in_France Time in France] Wikipedia. [https://www.timeanddate.com/time/change/france?year=1916 France DST 1916], with links to other years. [https://www.timeanddate.com/time/change/germany?year=1916 Germany DST 1916], with links to other years. [https://www.timeanddate.com/time/change/uk?year=1916 UK DST 1916], with links to other years. [https://www.timeanddate.com/time/change/belgium?year=1916 Belgium DST 1916], with links to other years. timeanddate.com</ref>)