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Time Zone Acronyms and Abbreviations

Military
Abbreviation Full Name Location Time Zone Code Name
GMT Greenwich Mean Time Europe UTC Z Zulu Time Zone
UTC Coordinated Universal Time Europe UTC
WET Western European Time Europe UTC
HAST Hawaii-Aleutian Standard Time North America UTC - 10 hours W Whiskey Time Zone
UTC - 11 hours X X-ray Time Zone
UTC - 12 hours Y Yankee Time Zone
UTC - 2 hours O Oscar Time Zone
HAT Heure Avancée de Terre-Neuve North America UTC - 2:30 hours
NDT Newfoundland Daylight Time North America UTC - 2:30 hours
ADT Atlantic Daylight Time North America UTC - 3 hours P Papa Time Zone
HAA Heure Avancée de l'Atlantique North America UTC - 3 hours
HNT Heure Normale de Terre-Neuve North America UTC - 3:30 hours
NST Newfoundland Standard Time North America UTC - 3:30 hours
AST Atlantic Standard Time North America UTC - 4 hours Q Quebec Time Zone
EDT Eastern Daylight Time North America UTC - 4 hours
HAE Heure Avancée de l'Est North America UTC - 4 hours
HNA Heure Normale de l'Atlantique North America UTC - 4 hours
CDT Central Daylight Time North America UTC - 5 hours R Romeo Time Zone
EST Eastern Standard Time North America UTC - 5 hours
HAC Heure Avancée du Centre North America UTC - 5 hours
HNE Heure Normale de l'Est North America UTC - 5 hours
CST Central Standard Time North America UTC - 6 hours S Sierra Time Zone
HAR Heure Avancée des Rocheuses North America UTC - 6 hours
HNC Heure Normale du Centre North America UTC - 6 hours
MDT Mountain Daylight Time North America UTC - 6 hours
HAP Heure Avancée du Pacifique North America UTC - 7 hours T Tango Time Zone
HNR Heure Normale des Rocheuses North America UTC - 7 hours
MST Mountain Standard Time North America UTC - 7 hours
PDT Pacific Daylight Time North America UTC - 7 hours
AKDT Alaska Daylight Time North America UTC - 8 hours U Uniform Time Zone
HAY Heure Avancée du Yukon North America UTC - 8 hours
HNP Heure Normale du Pacifique North America UTC - 8 hours
PST Pacific Standard Time North America UTC - 8 hours
AKST Alaska Standard Time North America UTC - 9 hours V Victor Time Zone
HADT Hawaii-Aleutian Daylight Time North America UTC - 9 hours
HNY Heure Normale du Yukon North America UTC - 9 hours
BST British Summer Time Europe UTC + 1 hour A Alpha Time Zone
CET Central European Time Europe UTC + 1 hour
IST Irish Summer Time Europe UTC + 1 hour
MEZ Mitteleuropäische Zeit Europe UTC + 1 hour
WEDT Western European Daylight Time Europe UTC + 1 hour
WEST Western European Summer Time Europe UTC + 1 hour
AEST Australian Eastern Standard Time Australia UTC + 10 hours K Kilo Time Zone
EST Eastern Standard Time Australia UTC + 10 hours
ACDT Australian Central Daylight Time Australia UTC + 10:30 hours
CST Central Summer(Daylight) Time Australia UTC + 10:30 hours
AEDT Australian Eastern Daylight Time Australia UTC + 11 hours L Lima Time Zone
EST Eastern Summer(Daylight) Time Australia UTC + 11 hours
UTC + 11 hours
NFT Norfolk (Island) Time Australia UTC + 11:30 hours
UTC + 12 hours M Mike Time Zone
UTC + 2 hours B Bravo Time Zone
CEDT Central European Daylight Time Europe UTC + 2 hours
CEST Central European Summer Time Europe UTC + 2 hours
EET Eastern European Time Europe UTC + 2 hours
MESZ Mitteleuropäische Sommerzeit Europe UTC + 2 hours
UTC + 3 hours C Charlie Time Zone
EEDT Eastern European Daylight Time Europe UTC + 3 hours
EEST Eastern European Summer Time Europe UTC + 3 hours
UTC + 4 hours D Delta Time Zone
UTC + 5 hours E Echo Time Zone
UTC + 6 hours F Foxtrot Time Zone
CXT Christmas Island Time Australia UTC + 7 hours G Golf Time Zone
AWST Australian Western Standard Time Australia UTC + 8 hours H Hotel Time Zone
WST Western Standard Time Australia UTC + 8 hours
AWDT Australian Western Daylight Time Australia UTC + 9 hours I India Time Zone
WST Western Summer(Daylight) Time Australia UTC + 9 hours
ACST Australian Central Standard Time Australia UTC + 9:30 hours
CST Central Standard Time Australia UTC + 9:30 hours