Every abbreviation below is a fixed offset from UTC. Pick one to see what it stands for, the current time in it, which cities use it and how to convert it. Some abbreviations, such as CST and IST, mean more than one time zone.
| Abbreviation | Name | UTC offset |
|---|---|---|
| HST | Hawaii-Aleutian Standard Time | UTC-10 |
| AKST | Alaska Standard Time | UTC-9 |
| AKDT | Alaska Daylight Time | UTC-8 |
| PST | Pacific Standard Time | UTC-8 |
| PST | Philippine Standard Time | UTC+8 |
| MST | Mountain Standard Time | UTC-7 |
| PDT | Pacific Daylight Time | UTC-7 |
| CST | Central Standard Time | UTC-6 |
| CST | China Standard Time | UTC+8 |
| CST | Cuba Standard Time | UTC-5 |
| MDT | Mountain Daylight Time | UTC-6 |
| CDT | Central Daylight Time | UTC-5 |
| CDT | Cuba Daylight Time | UTC-4 |
| EST | Eastern Standard Time | UTC-5 |
| AST | Atlantic Standard Time | UTC-4 |
| EDT | Eastern Daylight Time | UTC-4 |
| NST | Newfoundland Standard Time | UTC-3:30 |
| ADT | Atlantic Daylight Time | UTC-3 |
| NDT | Newfoundland Daylight Time | UTC-2:30 |
| GMT | Greenwich Mean Time | UTC+0 |
| UTC | Coordinated Universal Time | UTC+0 |
| WET | Western European Time | UTC+0 |
| BST | British Summer Time | UTC+1 |
| CET | Central European Time | UTC+1 |
| WAT | West Africa Time | UTC+1 |
| WEST | Western European Summer Time | UTC+1 |
| CAT | Central Africa Time | UTC+2 |
| CEST | Central European Summer Time | UTC+2 |
| EET | Eastern European Time | UTC+2 |
| SAST | South Africa Standard Time | UTC+2 |
| EAT | East Africa Time | UTC+3 |
| EEST | Eastern European Summer Time | UTC+3 |
| IDT | Israel Daylight Time | UTC+3 |
| MSK | Moscow Standard Time | UTC+3 |
| PKT | Pakistan Standard Time | UTC+5 |
| IST | India Standard Time | UTC+5:30 |
| IST | Irish Standard Time | UTC+1 |
| IST | Israel Standard Time | UTC+2 |
| WIB | Western Indonesia Time | UTC+7 |
| AWST | Australian Western Standard Time | UTC+8 |
| HKT | Hong Kong Time | UTC+8 |
| WITA | Central Indonesia Time | UTC+8 |
| JST | Japan Standard Time | UTC+9 |
| KST | Korea Standard Time | UTC+9 |
| ACST | Australian Central Standard Time | UTC+9:30 |
| AEST | Australian Eastern Standard Time | UTC+10 |
| ACDT | Australian Central Daylight Time | UTC+10:30 |
| AEDT | Australian Eastern Daylight Time | UTC+11 |
| NZST | New Zealand Standard Time | UTC+12 |
| NZDT | New Zealand Daylight Time | UTC+13 |