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USA Time Zones

Time Zones in the United States of America

Time zone names and current time. GMT offsets, state by state

The continental United States (the 48 contiguous states) is divided into 4 time zones:

Alaska and Hawaii have their own time zones: Alaska Standard Time ( AKST ) and Hawaii Standard Time ( HST ) respectively.

Current Time in the United States

Daylight Saving Time begins for most of the United States at 2 a.m. on the second Sunday of March. Time reverts to standard time at 2 a.m. on the first Sunday of November.

Daylight Saving Time, for the U.S. and its territories, is NOT observed in Hawaii, American Samoa, Guam, Puerto Rico, the Virgin Islands and the state of Arizona (not the Navajo Indian Reservation, which does observe). Navajo Nation participates in the Daylight Saving Time policy, due to its large size and location in three states.

State STANDARD DST
AL Alabama GMT-6 GMT-5
AK Alaska GMT-9 GMT-8
AK Alaska (Aleutian Islands) GMT-10 NA
AZ Arizona GMT-7 NA
AZ Arizona (Navajo) GMT-7 GMT-6
AR Arkansas GMT-6 GMT-5
CA California GMT-8 GMT-7
CO Colorado GMT-7 GMT-6
CT Connecticut GMT-5 GMT-4
DC Columbia GMT-5 GMT-4
DE Delaware GMT-5 GMT-4
FL Florida GMT-5 GMT-4
FL Florida (W) GMT-6 GMT-5
GA Georgia GMT-5 GMT-4
HI Hawaii GMT-10 NA
ID Idaho (N) GMT-8 GMT-7
ID Idaho (S) GMT-7 GMT-6
IL Illinois GMT-6 GMT-5
IN Indiana GMT-5 GMT-4
IN Indiana (NW) GMT-6 GMT-5
IA Iowa GMT-6 GMT-5
KS Kansas GMT-6 GMT-5
KS Kansas (W) GMT-7 GMT-6
KY Kentucky (E) GMT-5 GMT-4
KY Kentucky (W) GMT-6 GMT-5
LA Louisiana GMT-6 GMT-5
ME Maine GMT-5 GMT-4
MD Maryland GMT-5 GMT-4
MA Massachusetts GMT-5 GMT-4
MI Michigan GMT-5 GMT-4
MI Michigan (W) GMT-6 GMT-5
MN Minnesota GMT-6 GMT-5
MS Mississippi GMT-6 GMT-5
MO Missouri GMT-6 GMT-5
MT Montana GMT-7 GMT-6
NE Nebraska GMT-6 GMT-5
NE Nebraska (W) GMT-7 GMT-6
NV Nevada GMT-8 GMT-7
NH New Hampshire GMT-5 GMT-4
NJ New Jersey GMT-5 GMT-4
NM New Mexico GMT-7 GMT-6
NY New York GMT-5 GMT-4
NC N.Carolina GMT-5 GMT-4
ND N.Dakota GMT-6 GMT-5
ND N.Dakota (W) GMT-7 GMT-6
OH Ohio GMT-5 GMT-4
OK Oklahoma GMT-6 GMT-5
OR Oregon GMT-8 GMT-7
OR Oregon (E) GMT-7 GMT-6
PA Pennsylvania GMT-5 GMT-4
RI Rhode Island GMT-5 GMT-4
SC S.Carolina GMT-5 GMT-4
SD S.Dakota (E) GMT-6 GMT-5
SD S.Dakota (W) GMT-7 GMT-6
TN Tennessee (E) GMT-5 GMT-4
TN Tennessee (W) GMT-6 GMT-5
TX Texas GMT-6 GMT-5
TX Texas (W) GMT-7 GMT-6
UT Utah GMT-7 GMT-6
VT Vermont GMT-5 GMT-4
VA Virginia GMT-5 GMT-4
WA Washington GMT-8 GMT-7
WV W.Virginia GMT-5 GMT-4
WI Wisconsin GMT-6 GMT-5
WY Wyoming GMT-7 GMT-6

Official Reference: UNITED STATES CODE, TITLE 15 - COMMERCE AND TRADE, CHAPTER 6 - WEIGHTS AND MEASURES AND STANDARD TIME, SUBCHAPTER IX - STANDARD TIME

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