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U.S. Time Zones

Standard time zones set by the U.S. Department of Transportation, with daylight saving time dates

Clocks fall back
11/01/2026
Sunday at 2:00 AM, set clocks back 1 hour
Time zones
9
Including U.S. territories
States with two time zones
14
No daylight saving time
Hawaii, most of Arizona
And the territories

Current time across the U.S.

Current time is from your device clock

  • Eastern Time (EDT, UTC-4)

    New York, Atlanta, Miami

    Standard UTC-5, daylight UTC-4

     

  • Central Time (CDT, UTC-5)

    Chicago, Houston, Dallas

    Standard UTC-6, daylight UTC-5

     

  • Mountain Time (MDT, UTC-6)

    Denver, Salt Lake City, Albuquerque

    Standard UTC-7, daylight UTC-6

     

  • Mountain Time (MST, UTC-7)

    Phoenix (Arizona does not use daylight saving time)

    UTC-7 all year

     

  • Pacific Time (PDT, UTC-7)

    Los Angeles, Seattle, Las Vegas

    Standard UTC-8, daylight UTC-7

     

  • Alaska Time (AKDT, UTC-8)

    Anchorage, Juneau, Fairbanks

    Standard UTC-9, daylight UTC-8

     

  • Hawaii-Aleutian Time (HST, UTC-10)

    Honolulu (no daylight saving time)

    UTC-10 all year

     

Daylight saving time dates

Clocks change at 2:00 AM local time

Swipe the table sideways to see more columns.

YearStarts (spring forward)Ends (fall back)
2026Sunday, 03/08/2026Sunday, 11/01/2026
2027Sunday, 03/14/2027Sunday, 11/07/2027
2028Sunday, 03/12/2028Sunday, 11/05/2028

Time zones by state

Swipe the table sideways to see more columns.

StateTime zoneDaylight saving time
AlabamaCentralYes
AlaskaAlaska, Hawaii-AleutianYes
American SamoaSamoaNo
ArizonaMountainIn part
ArkansasCentralYes
CaliforniaPacificYes
ColoradoMountainYes
ConnecticutEasternYes
DelawareEasternYes
District of ColumbiaEasternYes
FloridaEastern, CentralYes
GeorgiaEasternYes
GuamChamorroNo
HawaiiHawaii-AleutianNo
IdahoMountain, PacificYes
IllinoisCentralYes
IndianaEastern, CentralYes
IowaCentralYes
KansasCentral, MountainYes
KentuckyEastern, CentralYes
LouisianaCentralYes
MaineEasternYes
MarylandEasternYes
MassachusettsEasternYes
MichiganEastern, CentralYes
MinnesotaCentralYes
MississippiCentralYes
MissouriCentralYes
MontanaMountainYes
NebraskaCentral, MountainYes
NevadaPacific, MountainYes
New HampshireEasternYes
New JerseyEasternYes
New MexicoMountainYes
New YorkEasternYes
North CarolinaEasternYes
North DakotaCentral, MountainYes
Northern Mariana IslandsChamorroNo
OhioEasternYes
OklahomaCentralYes
OregonPacific, MountainYes
PennsylvaniaEasternYes
Puerto RicoAtlanticNo
Rhode IslandEasternYes
South CarolinaEasternYes
South DakotaCentral, MountainYes
TennesseeEastern, CentralYes
TexasCentral, MountainYes
U.S. Virgin IslandsAtlanticNo
UtahMountainYes
VermontEasternYes
VirginiaEasternYes
WashingtonPacificYes
West VirginiaEasternYes
WisconsinCentralYes
WyomingMountainYes

Frequently asked questions

When does daylight saving time start and end?
Daylight saving time starts at 2:00 AM on the second Sunday in March and ends at 2:00 AM on the first Sunday in November, under federal law since 2007.
Which states have two time zones?
Alaska, Florida, Idaho, Indiana, Kansas, Kentucky, Michigan, Nebraska, Nevada, North Dakota, Oregon, South Dakota, Tennessee, Texas.
Which states do not observe daylight saving time?
Hawaii and most of Arizona stay on standard time all year, as do Puerto Rico, U.S. Virgin Islands, Guam, Northern Mariana Islands, American Samoa. The Navajo Nation in Arizona does observe daylight saving time.
Who sets time zone boundaries?
The U.S. Department of Transportation. Boundaries are listed in 49 CFR Part 71, and a county can ask the department to move.

Source: U.S. Department of Transportation, 49 CFR Part 71; Uniform Time Act (15 U.S.C. 260a)