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).


NAMES AND ABBREVIATIONS

Military 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


CLOCKS FOR ALL 25 GMT OFFSETS

Time Zones West of Greenwich



HISTORY OF TIME ZONES

Clocks and Time Tools

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Related Pages Time Zones Africa Asia Australia Canada Caribbean Europe European Union North America Pacific / Oceania Russia South America UK USA Other countries