Greenland, uses six time zones. UTC+01:00 as standard time, and UTC+02:00 as daylight saving time, with transition dates according to the European Union rules
Summertime in Europe is the variation of standard clock time that is applied in most European countries (apart from Iceland, Belarus, Turkey and Russia)
its time zone from WesternEuropeanTime to Central EuropeanTime. Unlike the 1966 change to CET, DST was observed as Central EuropeanSummerTime (UTC+02:00)