Daylight Savings Time Changes in United States 🇺🇸 (1973)

Next change:
APR
29
1 hour Forward
29 Apr 1973, 01:59
Country: United States
Capital: Washington, D.C.
Abbreviations: US, USA
IANA Time Zones: 47
Dial Code: +1

Daylight Savings Time Schedule and Information

Before
01
:
59
After
03
:
00
29 APR

29 Apr 1973 - Daylight Saving Time Starts

When local standard time is about to reach Sunday, 29 April 1973, 01:59 clocks are turned forward 1 hour to
Sunday, 29 April 1973, 03:00 local daylight time instead.

Sunrise and sunset will be about 1 hour later on 29 Apr 1973 than the day before. There will be more light in the evening.

Also called Spring Forward.

Before
01
:
59
After
01
:
00
28 OCT

28 Oct 1973 - Daylight Saving Time Ends

When local standard time is about to reach Sunday, 28 October 1973, 01:59 clocks are turned backward 1 hour to
Sunday, 28 October 1973, 01:00 local standard time instead.

Sunrise and sunset will be about 1 hour earlier on 28 Oct 1973 than the day before. There will be more light in the morning.

Also called Fall Back.

Daylight Savings Time Schedules by States in United States (1973)

StateDST Start (Spring)DST End (Fall)
Alabama 29 Apr 1973 28 Oct 1973
Alaska 29 Apr 1973 28 Oct 1973
Arkansas 29 Apr 1973 28 Oct 1973
California 29 Apr 1973 28 Oct 1973
Colorado 29 Apr 1973 28 Oct 1973
Connecticut 29 Apr 1973 28 Oct 1973
Delaware 29 Apr 1973 28 Oct 1973
District of Columbia 29 Apr 1973 28 Oct 1973
Florida 29 Apr 1973 28 Oct 1973
Georgia 29 Apr 1973 28 Oct 1973
Idaho 29 Apr 1973 28 Oct 1973
Illinois 29 Apr 1973 28 Oct 1973
Iowa 29 Apr 1973 28 Oct 1973
Kansas 29 Apr 1973 28 Oct 1973
Kentucky 29 Apr 1973 28 Oct 1973
Louisiana 29 Apr 1973 28 Oct 1973
Maine 29 Apr 1973 28 Oct 1973
Maryland 29 Apr 1973 28 Oct 1973
Massachusetts 29 Apr 1973 28 Oct 1973
Michigan 29 Apr 1973 28 Oct 1973
Minnesota 29 Apr 1973 28 Oct 1973
Mississippi 29 Apr 1973 28 Oct 1973
Missouri 29 Apr 1973 28 Oct 1973
Montana 29 Apr 1973 28 Oct 1973
Nebraska 29 Apr 1973 28 Oct 1973
Nevada 29 Apr 1973 28 Oct 1973
New Hampshire 29 Apr 1973 28 Oct 1973
New Jersey 29 Apr 1973 28 Oct 1973
New Mexico 29 Apr 1973 28 Oct 1973
New York 29 Apr 1973 28 Oct 1973
North Carolina 29 Apr 1973 28 Oct 1973
North Dakota 29 Apr 1973 28 Oct 1973
Ohio 29 Apr 1973 28 Oct 1973
Oklahoma 29 Apr 1973 28 Oct 1973
Oregon 29 Apr 1973 28 Oct 1973
Pennsylvania 29 Apr 1973 28 Oct 1973
Rhode Island 29 Apr 1973 28 Oct 1973
South Carolina 29 Apr 1973 28 Oct 1973
South Dakota 29 Apr 1973 28 Oct 1973
Tennessee 29 Apr 1973 28 Oct 1973
Texas 29 Apr 1973 28 Oct 1973
Utah 29 Apr 1973 28 Oct 1973
Vermont 29 Apr 1973 28 Oct 1973
Virginia 29 Apr 1973 28 Oct 1973
Washington 29 Apr 1973 28 Oct 1973
West Virginia 29 Apr 1973 28 Oct 1973
Wisconsin 29 Apr 1973 28 Oct 1973
Wyoming 29 Apr 1973 28 Oct 1973

States in United States that do not observe Daylight Savings Time

DST Changes Summary for United States

Date Year Change Time Details
09 Mar 2025 Forward 1 hour 01:59 ➜ 03:00 Daylight Saving Start
02 Nov 2025 Back 1 hour 01:59 ➜ 01:00 Daylight Saving End
08 Mar 2026 Forward 1 hour 01:59 ➜ 03:00 Daylight Saving Start
01 Nov 2026 Back 1 hour 01:59 ➜ 01:00 Daylight Saving End
14 Mar 2027 Forward 1 hour 01:59 ➜ 03:00 Daylight Saving Start
07 Nov 2027 Back 1 hour 01:59 ➜ 01:00 Daylight Saving End
12 Mar 2028 Forward 1 hour 01:59 ➜ 03:00 Daylight Saving Start
05 Nov 2028 Back 1 hour 01:59 ➜ 01:00 Daylight Saving End
11 Mar 2029 Forward 1 hour 01:59 ➜ 03:00 Daylight Saving Start
04 Nov 2029 Back 1 hour 01:59 ➜ 01:00 Daylight Saving End
10 Mar 2030 Forward 1 hour 01:59 ➜ 03:00 Daylight Saving Start
03 Nov 2030 Back 1 hour 01:59 ➜ 01:00 Daylight Saving End

Read More About Daylight Savings Time

Common Questions about Daylight Savings Time Changes in United States

Does United States use Daylight Saving Time in 1973?

Yes, United States observes Daylight Saving Time during the 1973 calendar year. The country follows the practice of shifting clocks to better align waking hours with the available evening sunlight during the spring and summer months. Note that this does not apply to the entire country, as 3 states do not participate in the change.

When do the clocks change next in United States?

The next scheduled time transition in United States will take place on Sunday, 29 April 1973. At 01:59 local time, clocks will be turned forward by 1 hour. This specific change marks the transition to daylight saving time starts.

Does all of United States follow the same time change schedule?

No. While the majority of United States observes Daylight Saving Time, there are regional exceptions. Currently, 3 states (including Arizona, Hawaii and others) stay on standard time year-round.

How will the next transition affect the day in United States?

Following the shift on 29 Apr 1973, you will notice that there is more light in the evening compared to the day before. While the transition may temporarily disrupt sleep patterns, the primary goal of this forward shift is to maximize usable daylight for the population.

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