Time Zone Abbreviations

Common Time Zone Abbreviations

Time zone abbreviations can be confusing because some are used in multiple regions. Here are the most common ones.

North America

EST/EDT — Eastern Standard/Daylight Time (UTC-5/UTC-4). CST/CDT — Central (UTC-6/UTC-5). MST/MDT — Mountain (UTC-7/UTC-6). PST/PDT — Pacific (UTC-8/UTC-7). AKST/AKDT — Alaska (UTC-9/UTC-8). HST — Hawaii Standard (UTC-10, no DST).

Europe

GMT/BST — Greenwich Mean/British Summer (UTC+0/UTC+1). CET/CEST — Central European (UTC+1/UTC+2). EET/EEST — Eastern European (UTC+2/UTC+3). MSK — Moscow (UTC+3).

Asia & Pacific

IST — India Standard (UTC+5:30). CST — China Standard (UTC+8). JST — Japan Standard (UTC+9). KST — Korea Standard (UTC+9). AEST/AEDT — Australian Eastern (UTC+10/UTC+11). NZST/NZDT — New Zealand (UTC+12/UTC+13).