| Abbreviation | Name | UTC Offset | Time | Major City |
|---|---|---|---|---|
| HST | Hawaii-Aleutian Standard Time | -10:00 | Honolulu | |
| AKDT | Alaska Daylight Time | -8:00 | Anchorage | |
| PDT | Pacific Daylight Time | -7:00 | Los Angeles | |
| MST | Mountain Standard Time | -7:00 | Phoenix | |
| MDT | Mountain Daylight Time | -6:00 | El Paso | |
| CDT | Central Daylight Time | -5:00 | Chicago | |
| AST | Atlantic Standard Time | -4:00 | Charlotte Amalie | |
| EDT | Eastern Daylight Time | -4:00 | New York | |
| ChST | Chamorro Standard Time | +10:00 | Dededo |