The list of time zone acronyms and abbreviations.

All time zone related acronyms and abbreviations.

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14
GMT:
Greenwich Mean Time(European time, Europe, Time scale)
6
EST:
Eastern Standard Time(Australian time, Ebay, Online auction)
4
CST:
Central Standard Time(Australian time, Time scale, Time Zone)
4
PST:
Pacific Standard Time(Ebay, Online auction, Time scale)
3
AST:
Atlantic Standard Time(Time scale, Time Zone, Emergency Management)
3
CDT:
Central Daylight Time(Australian time, Time scale, Time Zone)
3
EDT:
Eastern Daylight Time(Australian time, Time scale, Time Zone)
3
MST:
Mountain Standard Time(Time scale, Time Zone, Time)
2
BST:
British Summer Time(European time, Europe, Time scale)
2
CET:
Central European Time(European time, Europe, Time scale)
2
PDT:
Pacific Daylight Time(Time scale, Time Zone, Time)
1
ACST:
Australian Central Standard Time(Australian time, Time scale, Time Zone)
1
ADT:
Atlantic Daylight Time(Time scale, Time Zone, Time)
1
AEST:
Australian Eastern Standard Time(Australian time, Time scale, Time Zone)
1
EET:
Eastern European Time(European time, Europe, Time scale)
1
JST:
Japan Standard Time(Japan, Time scale, Time Zone)
1
MDT:
Mountain Daylight Time(Time scale, Time Zone, Time)
1
WET:
Western European Time(European time, Europe, Time scale)
0
ACDT:
Australian Central Daylight Time(Australian time, Time scale, Time Zone)
0
AEDT:
Australian Eastern Daylight Time(Australian time, Time scale, Time Zone)
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APASmart Define. (2017). time zone. Retrieved September 23, 2026, from http://smartdefine.org/time_zone/abbreviations/r/Technology
ChicagoSmart Define. 2017. "time zone" http://smartdefine.org/time_zone/abbreviations/r/Technology (accessed September 23, 2026).
HarvardSmart Define 2017, time zone, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/time_zone/abbreviations/r/Technology>.
MLASmart Define. "time zone" 30 October 2017. Web. 23 September 2026. <http://smartdefine.org/time_zone/abbreviations/r/Technology>