Realtime Timezones Digital Clocks
New York (ET)
Chicago (CT)
Denver (MT)
Los Angeles (PT)
Anchorage (AKT)
Honolulu (HT)
US Time Zones and Daylight Saving Time (DST)
The United States observes six main time zones. Most areas practice Daylight Saving Time, where clocks are moved forward by one hour in spring and back by one hour in fall.
| Time Zone | Abbreviation | UTC Offset (Standard/DST) | Major Cities |
|---|---|---|---|
| Eastern Time | ET | UTC-5 / UTC-4 | New York (NY), Washington D.C., Miami (FL), Boston (MA), Atlanta (GA), Philadelphia (PA), Detroit (MI) |
| Central Time | CT | UTC-6 / UTC-5 | Chicago (IL), Houston (TX), Dallas (TX), New Orleans (LA), Minneapolis (MN), Kansas City (MO), St. Louis (MO) |
| Mountain Time | MT | UTC-7 / UTC-6 | Denver (CO), Phoenix (AZ, no DST), Salt Lake City (UT), Albuquerque (NM), Boise (ID), Las Vegas (NV) |
| Pacific Time | PT | UTC-8 / UTC-7 | Los Angeles (CA), San Francisco (CA), Seattle (WA), Portland (OR), San Diego (CA), Sacramento (CA), Las Vegas (NV) |
| Alaska Time | AKT | UTC-9 / UTC-8 | Anchorage, Juneau, Fairbanks, Sitka, Ketchikan (all AK) |
| Hawaii-Aleutian Time | HT | UTC-10 (no DST) | Honolulu, Hilo, Kailua, Waipahu, Pearl City (all HI) |
DST Switching Dates:
- Spring Forward: Second Sunday in March at 2:00 AM local time
- Fall Back: First Sunday in November at 2:00 AM local time
Note: Hawaii and most of Arizona do not observe Daylight Saving Time.
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