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