Time Zone Abbreviations

Global Time Zone Reference

  • Complete reference guide to worldwide Time Zone Abbreviations, IANA Identifiers, and UTC Offsets
  • Use filtering and sorting to find exactly what you need, or use our helpful preset Filters!
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Total Abbreviations: 194 | Total IANA Zones: 418
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9:35:40pm
Sunday, April 19, 2026
PDT(UTC-7)

UTC TIME NOW

04:35:40am
Monday, April 20, 2026
UTC (UTC+0)7 hours ahead
Columns194 results
Abbreviation
Time Zone Name
Continent/Region
Offset
IANA Zone
DST Status
DST Transitions
DST - Active and Upcoming
A
Alfa Time Zone
Military
UTC+1
Etc/GMT-1
No DST
Australian Central Daylight Time
Oceania
UTC+10:30
Australia/Adelaide(2)
DST Active (mixed)
ACDT ends: April 5, 2026, 2:00 am (clocks back to 2:00 am ACST)
ACDT ends: April 5, 2026, 2:00 am
Australian Central Standard Time
Oceania
UTC+9:30
Australia/Adelaide(3)
DST Active (mixed)
ACST starts: April 5, 2026, 2:00 am (clocks back to 2:00 am ACDT)
ACDT ends: April 5, 2026, 2:00 am
Acre Time
South America
UTC-5
America/Eirunepe(2)
No DST
ACWST
Oceania
UTC+8:45
Australia/Eucla
No DST
Atlantic Daylight Time
North America, Atlantic
UTC-3
America/Glace_Bay(6)
Standard Time (mixed)
ADT ended November 2, 2025 at 2:00 am, now observing AST
ADT begins: March 8, 2026, 2:00 am (clocks forward to 3:00 am)
ADT begins: March 8, 2026, 2:00 am (clocks forward to 3:00 am)
Australian Eastern Daylight Time
Oceania
UTC+11
Australia/Hobart(3)
DST Active (mixed)
AEDT ends: April 5, 2026, 2:00 am (clocks back to 2:00 am AEST)
AEDT ends: April 5, 2026, 2:00 am
Australian Eastern Standard Time
Oceania
UTC+10
Australia/Brisbane(5)
No DST
Afghanistan Time
Asia
UTC+4:30
Asia/Kabul
No DST
Alaska Daylight Time
North America
UTC-8
America/Anchorage(5)
Standard Time
AKDT ended November 2, 2025 at 1:00 am, now observing AKST
AKDT begins: March 8, 2026, 2:00 am (clocks forward to 3:00 am)
AKDT begins: March 8, 2026, 2:00 am (clocks forward to 3:00 am)
Alaska Standard Time
North America
UTC-9
America/Anchorage(6)
Standard Time
AKST started: November 2, 2025 at 1:00 am (AKDT ended)
AKST ends: March 8, 2026, 2:00 am (next AKDT begins, clocks forward to 3:00 am)
AKDT begins: March 8, 2026, 2:00 am (clocks forward to 3:00 am)
Alma-Ata Time
Asia
UTC+5
Asia/Almaty(6)
No DST
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