Time Zones in United States
12 time zones · 101 major cities
United States's capital is Washington (estimated population ~690K). The country spans 12 time zones, from Hawaii Time (HST) to America/Kentucky/Louisville (EDT). 10 time zones observe daylight saving time while 2 time zones do not.
Use the interactive converter on this page to ensure you account for daylight saving time when scheduling across regions.
Hawaii TimeHST (GMT-10)
Alaska TimeAKDT (GMT-8)
America/JuneauAKDT (GMT-8)
Pacific TimePDT (GMT-7)
America/PhoenixMST (GMT-7)
Mountain TimeMDT (GMT-6)
America/BoiseMDT (GMT-6)
Central TimeCDT (GMT-5)
Eastern TimeEDT (GMT-4)
America/Indiana/IndianapolisEDT (GMT-4)
America/DetroitEDT (GMT-4)
America/Kentucky/LouisvilleEDT (GMT-4)
Frequently Asked Questions
- How many time zones does United States have?
- United States has 12 time zones.
- What are the time zones in United States?
- The IANA time zones in United States are: America/Anchorage, America/Boise, America/Chicago, America/Denver, America/Detroit, America/Indiana/Indianapolis, America/Juneau, America/Kentucky/Louisville, America/Los_Angeles, America/New_York, America/Phoenix, Pacific/Honolulu.
- What is the current time in United States?
- United States spans 12 timezones. Use the interactive converter on this page to compare current times across all zones.