Central European Midsummer Time

Central European Midsummer Time (CEMT) was a time zone three hours ahead of GMT, used as a double summer time in several European countries during the 1940s. == Usage == === France === Some parts of France, but not Paris, observed Central European Midsummer Time in 1941–1945.

Source: Wikipedia — Central European Midsummer Time (CC BY-SA 4.0)