Time zones: abbreviations and UTC offsets
What EST, CET or IST mean, which places use them, and the current time in each. Every time zone is an offset from Coordinated Universal Time (UTC).
Time zone abbreviations
Universal
North America
- EST: Eastern Standard Time
- EDT: Eastern Daylight Time
- CST: Central Standard Time
- CDT: Central Daylight Time
- MST: Mountain Standard Time
- MDT: Mountain Daylight Time
- PST: Pacific Standard Time
- PDT: Pacific Daylight Time
- AKST: Alaska Standard Time
- AKDT: Alaska Daylight Time
- HST: Hawaii-Aleutian Standard Time
- AST: Atlantic Standard Time
- ADT: Atlantic Daylight Time
- NST: Newfoundland Standard Time