Current Time in USA: All US Time Zones
🇺🇸 United States Time Zones
The continental United States spans 4 time zones, with Alaska and Hawaii adding 2 more for a total of 6 time zones.
Eastern
ET
Central
CT
Mountain
MT
Pacific
PT
Alaska
AKT
Hawaii
HT
The United States uses six primary time zones across its states and territories. Here's a complete guide to understanding US time zones.
All US Time Zones Explained
Eastern Time (ET)
EST/EDT • UTC-5/UTC-4
Central Time (CT)
CST/CDT • UTC-6/UTC-5
Mountain Time (MT)
MST/MDT • UTC-7/UTC-6
Pacific Time (PT)
PST/PDT • UTC-8/UTC-7
Alaska Time (AKT)
AKST/AKDT • UTC-9/UTC-8
Hawaii Time (HT)
HST • UTC-10
How US Time Zones Work
Each time zone is roughly 15 degrees of longitude wide, though state borders often determine the exact boundaries. When it's noon in New York (Eastern), it's:
- 11:00 AM in Chicago (Central)
- 10:00 AM in Denver (Mountain)
- 9:00 AM in Los Angeles (Pacific)
- 8:00 AM in Anchorage (Alaska)
- 7:00 AM in Honolulu (Hawaii)
Daylight Saving Time in the US
Most of the US observes Daylight Saving Time (DST), moving clocks forward 1 hour in spring and back in fall. Exceptions include:
- Arizona - Does not observe DST (except Navajo Nation)
- Hawaii - Does not observe DST
- US territories - Puerto Rico, Virgin Islands, Guam, etc.
States That Split Time Zones
Some US states are divided between two time zones:
- Florida - Most is Eastern, panhandle is Central
- Indiana - Most is Eastern, some counties are Central
- Kentucky - Eastern and Central split
- Tennessee - Eastern and Central split
- Texas - Most is Central, El Paso area is Mountain