Ambiguous
CST is not one zone
CST can mean Central Standard Time in North America (UTC-6), Cuba, or China Standard Time (UTC+8). The table on this page only lists letters used by cities we carry. Read the city name beside the letters.
| Abbreviation | Sample offset | Cities |
|---|---|---|
| AKDT | UTC-8 | Anchorage (Alaska Daylight Time) |
| AKST | UTC-9 | Anchorage (Alaska Standard Time) |
| CDT | UTC-5 | Chicago (Central Daylight Time); Houston (Central Daylight Time) |
| CST | UTC-6 | Chicago (Central Standard Time); Houston (Central Standard Time); Mexico City (Central Standard Time) |
| EDT | UTC-4 | New York (Eastern Daylight Time); Washington (Eastern Daylight Time); Miami (Eastern Daylight Time); Toronto (Eastern Daylight Time); Montreal (Eastern Daylight Time) |
| EST | UTC-5 | New York (Eastern Standard Time); Washington (Eastern Standard Time); Miami (Eastern Standard Time); Toronto (Eastern Standard Time); Montreal (Eastern Standard Time) |
| GMT | UTC+0 | London (Greenwich Mean Time); Manchester (Greenwich Mean Time); Edinburgh (Greenwich Mean Time); Belfast (Greenwich Mean Time); Dublin (Greenwich Mean Time); Reykjavik (Greenwich Mean Time) |
| GMT-3 | UTC-3 | Santiago (Chile Summer Time); Sao Paulo (Brasilia Standard Time); Rio de Janeiro (Brasilia Standard Time); Buenos Aires (Argentina Standard Time) |
| GMT-4 | UTC-4 | Santiago (Chile Standard Time) |
| GMT-5 | UTC-5 | Bogota (Colombia Standard Time); Lima (Peru Standard Time) |
| GMT+0 | UTC+0 | Lisbon (Western European Standard Time) |
| GMT+1 | UTC+1 | London (British Summer Time); Manchester (British Summer Time); Edinburgh (British Summer Time); Belfast (British Summer Time); Dublin (Irish Standard Time); Lisbon (Western European Summer Time); Madrid (Central European Standard Time); Barcelona (Central European Standard Time); Paris (Central European Standard Time); Brussels (Central European Standard Time); Amsterdam (Central European Standard Time); Zurich (Central European Standard Time); Rome (Central European Standard Time); Milan (Central European Standard Time); Berlin (Central European Standard Time); Munich (Central European Standard Time); Vienna (Central European Standard Time); Prague (Central European Standard Time); Warsaw (Central European Standard Time); Budapest (Central European Standard Time); Stockholm (Central European Standard Time); Oslo (Central European Standard Time); Copenhagen (Central European Standard Time); Casablanca (GMT+01:00); Lagos (West Africa Time) |
| GMT+10 | UTC+10 | Sydney (Australian Eastern Standard Time); Melbourne (Australian Eastern Standard Time) |
| GMT+11 | UTC+11 | Sydney (Australian Eastern Daylight Time); Melbourne (Australian Eastern Daylight Time) |
| GMT+12 | UTC+12 | Auckland (New Zealand Standard Time) |
| GMT+13 | UTC+13 | Auckland (New Zealand Daylight Time) |
| GMT+2 | UTC+2 | Madrid (Central European Summer Time); Barcelona (Central European Summer Time); Paris (Central European Summer Time); Brussels (Central European Summer Time); Amsterdam (Central European Summer Time); Zurich (Central European Summer Time); Rome (Central European Summer Time); Milan (Central European Summer Time); Berlin (Central European Summer Time); Munich (Central European Summer Time); Vienna (Central European Summer Time); Prague (Central European Summer Time); Warsaw (Central European Summer Time); Budapest (Central European Summer Time); Bucharest (Eastern European Standard Time); Athens (Eastern European Standard Time); Stockholm (Central European Summer Time); Oslo (Central European Summer Time); Copenhagen (Central European Summer Time); Helsinki (Eastern European Standard Time); Kyiv (Eastern European Standard Time); Cairo (Eastern European Standard Time); Jerusalem (Israel Standard Time); Johannesburg (South Africa Standard Time); Cape Town (South Africa Standard Time) |
| GMT+3 | UTC+3 | Bucharest (Eastern European Summer Time); Athens (Eastern European Summer Time); Helsinki (Eastern European Summer Time); Kyiv (Eastern European Summer Time); Moscow (Moscow Standard Time); Istanbul (Türkiye Standard Time); Cairo (Eastern European Summer Time); Jerusalem (Israel Daylight Time); Riyadh (Arabian Standard Time); Doha (Arabian Standard Time); Nairobi (East Africa Time) |
| GMT+3:30 | UTC+3:30 | Tehran (Iran Standard Time) |
| GMT+4 | UTC+4 | Dubai (Gulf Standard Time) |
| GMT+5 | UTC+5 | Karachi (Pakistan Standard Time); Lahore (Pakistan Standard Time); Islamabad (Pakistan Standard Time) |
| GMT+5:30 | UTC+5:30 | Delhi (India Standard Time); Mumbai (India Standard Time); Bengaluru (India Standard Time); Kolkata (India Standard Time) |
| GMT+6 | UTC+6 | Dhaka (Bangladesh Standard Time) |
| GMT+7 | UTC+7 | Bangkok (Indochina Time); Jakarta (Western Indonesia Time); Ho Chi Minh City (Indochina Time) |
| GMT+8 | UTC+8 | Singapore (Singapore Standard Time); Kuala Lumpur (Malaysia Time); Manila (Philippine Standard Time); Hong Kong (Hong Kong Standard Time); Shanghai (China Standard Time); Beijing (China Standard Time); Perth (Australian Western Standard Time) |
| GMT+9 | UTC+9 | Tokyo (Japan Standard Time); Seoul (Korean Standard Time) |
| HST | UTC-10 | Honolulu (Hawaii-Aleutian Standard Time) |
| MDT | UTC-6 | Denver (Mountain Daylight Time) |
| MST | UTC-7 | Denver (Mountain Standard Time); Phoenix (Mountain Standard Time) |
| PDT | UTC-7 | Los Angeles (Pacific Daylight Time); Vancouver (Pacific Daylight Time) |
| PST | UTC-8 | Los Angeles (Pacific Standard Time); Vancouver (Pacific Standard Time) |
Ambiguous
CST can mean Central Standard Time in North America (UTC-6), Cuba, or China Standard Time (UTC+8). The table on this page only lists letters used by cities we carry. Read the city name beside the letters.
Radio
Military letters are offsets, not IANA zones. Zulu does not spring forward. Juliet is skipped on purpose.
BST and EST
BST is British Summer Time, UTC+1. EST is Eastern Standard Time, UTC-5. Both vanish or appear on government dates.