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Time Zone Abbreviations – Time Zones in North America

Time zone codes and names for standard and daylight time in North America.

AbbreviationTime zone name Other names Offset
ADT Atlantic Daylight Time HAA UTC -3:00
AKDT Alaska Daylight Time UTC -8:00
AKST Alaska Standard Time UTC -9:00
AST Atlantic Standard Time AST, HNA UTC -4:00
AT Atlantic Time UTC -3:00 / -4:00
CDT Central Daylight Time HAC UTC -5:00
CST Central Standard Time CST, HNC UTC -6:00
CT Central Time UTC -5:00 / -6:00
EDT Eastern Daylight Time HAE, EDT UTC -4:00
EGST Eastern Greenland Summer Time UTC +0:00
EGT East Greenland Time UTC -1:00
EST Eastern Standard Time ET, HNE UTC -5:00
ET Eastern Time UTC -4:00 / -5:00
GMT Greenwich Mean Time UTC +0:00
HADT Hawaii-Aleutian Daylight Time UTC -9:00
HAST Hawaii-Aleutian Standard Time UTC -10:00
MDT Mountain Daylight Time HAR UTC -6:00
MST Mountain Standard Time HNR UTC -7:00
MT Mountain Time UTC -6:00 / -7:00
NDT Newfoundland Daylight Time HAT UTC -2:30
NST Newfoundland Standard Time HNT UTC -3:30
PDT Pacific Daylight Time HAP UTC -7:00
PMDT Pierre & Miquelon Daylight Time UTC -2:00
PMST Pierre & Miquelon Standard Time UTC -3:00
PST Pacific Standard Time PT, HNP UTC -8:00
PT Pacific Time UTC -7:00 / -8:00
WGST Western Greenland Summer Time UTC -2:00
WGT West Greenland Time UTC -3:00

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Thursday, October 8, 2015

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