Standard Time Zones
Military Time Zone Designations
GMT/UTC time differences (offsets) in full hours
A standard time zone is defined as a geographical area or region throughout which the same standard time is observed.
A time zone item specifies an international time zone, indicated by an abbreviation (small set of letters).
All time zones
NAMES AND ABBREVIATIONSMilitary time zone designations use a single letter of the alphabet (J is not used).
Zulu Time (Z) is Greenwich Mean Time (GMT).
Integer Time Zones east of the Prime Meridian at Greenwich, London
Standard time zone abbreviations with examples, indexed by the zone hour value (time difference or offset relative to GMT) and the equivalent military designations
| GMT/UTC offset | Example of civilian TZ abbreviation | Military designation |
|---|---|---|
| GMT+0 | Greenwich Mean Time (GMT) | Z (Zulu) |
| GMT+1 | Central European Time (CET) | A (Alpha) |
| GMT+2 | Eastern European Time (EET) | B (Bravo) |
| GMT+3 | Moscow Time (MSK) | C (Charlie) |
| GMT+4 | Armenia Time (AMT) | D (Delta) |
| GMT+5 | Pakistan Standard Time (PKT) | E (Echo) |
| GMT+6 | Omsk Time (OMSK) | F (Foxtrot) |
| GMT+7 | Kranoyask Time (KRAT) | G (Golf) |
| GMT+8 | China Standard Time (CST) | H (Hotel) |
| GMT+9 | Japan Standard Time (JST) | I (India) |
| GMT+10 | Eastern Australia Standard Time (AEST) | K (Kilo) |
| GMT+11 | Sakhalin Time (SAKT) | L (Lima) |
| GMT+12 | New Zealand Standard Time (NZST) | M (Mike) |
Current time now
CLOCKS FOR ALL 25 GMT OFFSETSTime Zones West of Greenwich
| GMT/UTC offset | Civilian TZ abbreviation | Military designation |
|---|---|---|
| GMT+0 | Greenwich Mean Time (GMT) | Z (Zulu) |
| GMT-1 | West Africa Time (WAT) | N (November) |
| GMT-2 | Azores Time (AT) | O (Oscar) |
| GMT-3 | Argentina Time (ART) | P (Papa) |
| GMT-4 | Atlantic Standard Time (AST) | Q (Quebec) |
| GMT-5 | Eastern Standard Time (EST) | R (Romeo) |
| GMT-6 | Central Standard Time (CST) | S (Sierra) |
| GMT-7 | Mountain Standard Time (MST) | T (Tango) |
| GMT-8 | Pacific Standard Time (PST) | U (Uniform) |
| GMT-9 | Alaska Standard Time (AKST) | V (Victor) |
| GMT-10 | Hawaii Standard Time (HST) | W (Whiskey) |
| GMT-11 | Nome Time (NT) | X (X-ray) |
| GMT-12 | International Date Line West (IDLW) | Y (Yankee) |
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