A variety of useful time-zone-related information is available on the Web at www.timeanddate.com. The following is a list of time zone abbreviations:
• Standard | ||
• UTC | Coordinated Universal Time, civil time, the one most often used by "ordinary" people | |
• UT | Universal Time, based on the Earth's rotation, often used in Astronomy | |
• TAI | International Atomic Time, based on atomic clocks | |
• European | ||
• GMT | Greenwich Mean Time, as UTC | |
• BST | British Summer Time, as UTC + 1 hour | |
• IST | Irish Summer Time, as UTC + 1 hour | |
• WET | Western Europe Time, as UTC | |
• WEST | Western Europe Summer Time, as UTC + 1 hour | |
• CET | Central Europe Time, as UTC + 1 | |
• CEST | Central Europe Summer Time, as UTC + 2 | |
• EET | Eastern Europe Time, as UTC + 2 | |
• EEST | Eastern Europe Summer Time, as UTC + 3 | |
• MSK | Moscow Time, as UTC + 3 | |
• MSD | Moscow Summer Time, as UTC + 4 | |
• U.S. and Canada | ||
• AST | Atlantic Standard Time, as UTC - 4 hours | |
• ADT | Atlantic Daylight Time, as UTC - 3 hours | |
• EST | Eastern Standard Time, as UTC - 5 hours | |
• EDT | Eastern Daylight Saving Time, as UTC - 4 hours | |
• ET | Eastern Time, either as EST or EDT, depending on place and time of year | |
• CST | Central Standard Time, as UTC - 6 hours | |
• CDT | Central Daylight Saving Time, as UTC - 5 hours | |
• CT | Central Time, either as CST or CDT, depending on place and time of year | |
• MST | Mountain Standard Time, as UTC - 7 hours | |
• MDT | Mountain Daylight Saving Time, as UTC - 6 hours | |
• MT | Mountain Time, either as MST or MDT, depending on place and time of year | |
• PST | Pacific Standard Time, as UTC - 8 hours | |
• PDT | Pacific Daylight Saving Time, as UTC - 7 hours | |
• PT | Pacific Time, either as PST or PDT, depending on place and time of year | |
• HST | Hawaiian Standard Time, as UTC - 10 hours | |
• AKST | Alaska Standard Time, as UTC - 9 hours | |
• AKDT | Alaska Standard Daylight Saving Time, as UTC - 8 | |
• Australia | ||
• AEDT | Australian Eastern Daylight Time, as UTC + 11 hours | |
• ACST | Australian Central Standard Time, as UTC + 9.5 hours | |
• ACDT | Australian Central Daylight Time, as UTC + 10.5 hours | |
• AWST | Australian Western Standard Time, as UTC + 8 hours |