| Internationale Zeitzonen |  | Zeitzonen (Sommerzeit) | 
| UTC | Abk. | Zeitzone |  | UTC | Abk. | Zeitzone | 
| ±00 | GMT | Greenwich Mean Time |  | 1 | BST | British Summer Time | 
| ±00 | UTC | Universal Coordinated Time |  | -3 | ADT | Atlantic Daylight Time | 
| ±00 | WET | Western European Time |  | -4 | EDT | Eastern Daylight Time | 
| -2 | AT | Azores Time |  | -5 | CDT | Central Daylight Time | 
| -4 | AST | Atlantic Standard Time |  | -6 | MDT | Mountain Daylight Time | 
| -5 | EST | Eastern Standard Time |  | -7 | PDT | Pacific Daylight Time | 
| -6 | CST | Central Standard Time |  | -8 | YDT | Yukon Daylight Time | 
| -7 | MST | Mountain Standard Time |  | -9 | HDT | Hawaii Daylight Time | 
| -8 | PST | Pacific Standard Time |  | 2 | MEST | Middle European Summer Time | 
| -9 | YST | Yukon Standard Time |  | 2 | CEST | Central European Summer Time | 
| -10 | AHST | Alaska-Hawaii Standard Time |  | 2 | MESZ | Mitteleuropäische Sommerzeit | 
| -10 | CAT | Central Alaska Time |  | 2 | SST | Swedish Summer Time | 
| -10 | HST | Hawaii Standard Time |  | 2 | FST | French Summer Time | 
| -11 | NT | Nome Time |  | 8 | WADT | West Australian Daylight Time | 
| -12 | IDLW | International Date Line West |  | 11 | EADT | East Australian Daylight Time | 
| 1 | CET | Central European Time |  | 13 | NZDT | New Zealand Daylight Time | 
| 1 | FWT | French Winter Time |  |  |  |  | 
| 1 | MET | Middle European Time |  |  |  |  | 
| 1 | MEZ | Mitteleuropäische Zeit |  |  |  |  | 
| 1 | MEWT | Middle European Winter Time |  |  |  |  | 
| 1 | SWT | Swedish Winter Time |  |  |  |  | 
| 2 | EET | Eastern European Time |  |  |  |  | 
| 3 | BT | Baghdad Time |  |  |  |  | 
| 7 | WAST | West Australien Time |  |  |  |  | 
| 8 | CCT | China Coast Time |  |  |  |  | 
| 9 | JST | Japan Standard Time |  |  |  |  | 
| 10 | EAST | East Australian Standard Time |  |  |  |  | 
| 10 | GST | Guam Standard Time |  |  |  |  | 
| 12 | IDLE | International Date Line East |  |  |  |  | 
| 12 | NZST | New Zealand Standard Time |  |  |  |  |