Moscow used EET in years 1922-30 and 1991-92. Kaliningrad Oblast also used EET in 1945 and from 1991-2011. In Poland this time was used in years 1918-22.
In time of World War II Germany implemented MET (CET) in east occupied territories.
Anomalies
Since political, in addition to purely geographical, criteria are used in the drawing of time zones, it follows that actual time zones do not precisely adhere to meridian lines. The EET (UTC+2) time zone, were it drawn by purely geographical terms, would consist of exactly the area between meridians 22°30' E and 37°30' E. As a result, there are European locales that despite lying in an area with a "physical" UTC+2... Read More