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Time zones in North America

The following table lists the North American time zone abbreviations, click on the time zone links for more information about individual time zones and where they are used.

AbbreviationFull nameOther abbreviationsTime zone
ADTAtlantic Daylight TimeHAAUTC - 3 hours
AKDTAlaska Daylight TimeHAYUTC - 8 hours
AKSTAlaska Standard TimeHNYUTC - 9 hours
ASTAtlantic Standard TimeHNAUTC - 4 hours
CDTCentral Daylight TimeHACUTC - 5 hours
CSTCentral Standard TimeHNCUTC - 6 hours
EDTEastern Daylight TimeHAEUTC - 4 hours
EGSTEastern Greenland Summer TimeUTC
EGTEast Greenland TimeUTC - 1 hour
ESTEastern Standard TimeHNE, ETUTC - 5 hours
HADTHawaii-Aleutian Daylight TimeUTC - 9 hours
HASTHawaii-Aleutian Standard TimeUTC - 10 hours
MDTMountain Daylight TimeHARUTC - 6 hours
MSTMountain Standard TimeHNRUTC - 7 hours
NDTNewfoundland Daylight TimeHATUTC - 2:30 hours
NSTNewfoundland Standard TimeHNTUTC - 3:30 hours
PDTPacific Daylight TimeHAPUTC - 7 hours
PMDTPierre & Miquelon Daylight TimeUTC - 2 hours
PMSTPierre & Miquelon Standard TimeUTC - 3 hours
PSTPacific Standard TimeHNP, PTUTC - 8 hours
WGSTWestern Greenland Summer TimeUTC - 2 hours
WGTWest Greenland TimeUTC - 3 hours

Time zones in other regions

Related links