How many time zones are in the European Union?

AbbreviationFull nameOther abbreviationsTime zoneBSTBritish Summer TimeUTC + 1 hourCESTCentral European Summer TimeUTC + 2 hoursCETCentral European TimeUTC + 1 hourEESTEastern European Summer TimeUTC + 3 hoursEETEastern European TimeUTC + 2 hoursGMTGreenwich Mean TimeUTCISTIrish Standard TimeUTC + 1 hourKUYTKuybyshev TimeUTC + 4 hoursMSDMoscow Daylight TimeUTC + 4 hoursMSKMoscow Standard TimeUTC + 3 hoursSAMTSamara TimeUTC + 4 hoursWESTWestern European Summer TimeUTC + 1 hourWETWestern European TimeUTC