Time Zone Abbreviations
Quick reference for common time zone codes
UTCCoordinated Universal Time±0
GMTGreenwich Mean Time±0
North American
HSTHawaii Standard-10
AKSTAlaska Standard-9
PSTPacific Standard-8
MSTMountain Standard-7
CSTCentral Standard-6
ESTEastern Standard-5
DST versions: Add 1 hour for daylight saving time: PDT, MDT, CDT, EDT
European
WETWestern European±0
CETCentral European+1
EETEastern European+2
BSTBritish Summer+1
CESTCentral European Summer+2
Asian/Pacific
JSTJapan Standard+9
KSTKorea Standard+9
CSTChina Standard+8
SGTSingapore+8
AESTAustralia Eastern+10
What's the Difference?
- Standard (STD) - Standard time, typically winter
- Daylight (DST) - During daylight saving period
- UTC - Reference time, never changes