Daylight Saving Time (DST) in the United States 2024 Overview Daylight Saving Time (DST) is observed in most parts of the United States, typically starting on the second Sunday in March and ending on the first Sunday in November. This guide provides information on when DST begins and ends in 2024, which states and territories observe it, and its historical context.
DST Start and End Dates for 2024
Event | Date | Details |
DST Start | 10 March 2024 | Clocks are set forward 1 hour from 02:00 AM to 03:00 AM local daylight time. More light in the evening. |
DST End | 3 November 2024 | Clocks are set back 1 hour from 02:00 AM to 01:00 AM local standard time. More light in the morning. |
Daylight Saving Time Schedule by State
State/Territory | DST Observed |
Alabama | 10 Mar – 3 Nov |
Alaska | 10 Mar – 3 Nov |
Arizona (northeast) | 10 Mar – 3 Nov |
Arkansas | 10 Mar – 3 Nov |
California | 10 Mar – 3 Nov |
Colorado | 10 Mar – 3 Nov |
Connecticut | 10 Mar – 3 Nov |
Delaware | 10 Mar – 3 Nov |
District of Columbia | 10 Mar – 3 Nov |
Florida | 10 Mar – 3 Nov |
Georgia | 10 Mar – 3 Nov |
Idaho | 10 Mar – 3 Nov |
Illinois | 10 Mar – 3 Nov |
Indiana | 10 Mar – 3 Nov |
Iowa | 10 Mar – 3 Nov |
Kansas | 10 Mar – 3 Nov |
Kentucky | 10 Mar – 3 Nov |
Louisiana | 10 Mar – 3 Nov |
Maine | 10 Mar – 3 Nov |
Maryland | 10 Mar – 3 Nov |
Massachusetts | 10 Mar – 3 Nov |
Michigan | 10 Mar – 3 Nov |
Minnesota | 10 Mar – 3 Nov |
Mississippi | 10 Mar – 3 Nov |
Missouri | 10 Mar – 3 Nov |
Montana | 10 Mar – 3 Nov |
Nebraska | 10 Mar – 3 Nov |
Nevada | 10 Mar – 3 Nov |
New Hampshire | 10 Mar – 3 Nov |
New Jersey | 10 Mar – 3 Nov |
New Mexico | 10 Mar – 3 Nov |
New York | 10 Mar – 3 Nov |
North Carolina | 10 Mar – 3 Nov |
North Dakota | 10 Mar – 3 Nov |
Ohio | 10 Mar – 3 Nov |
Oklahoma | 10 Mar – 3 Nov |
Oregon | 10 Mar – 3 Nov |
Pennsylvania | 10 Mar – 3 Nov |
Rhode Island | 10 Mar – 3 Nov |
South Carolina | 10 Mar – 3 Nov |
South Dakota | 10 Mar – 3 Nov |
Tennessee | 10 Mar – 3 Nov |
Texas | 10 Mar – 3 Nov |
Utah | 10 Mar – 3 Nov |
Vermont | 10 Mar – 3 Nov |
Virginia | 10 Mar – 3 Nov |
Washington | 10 Mar – 3 Nov |
West Virginia | 10 Mar – 3 Nov |
Wisconsin | 10 Mar – 3 Nov |
Wyoming | 10 Mar – 3 Nov |
key points about Daylight Saving Time (DST) in 2024
The key points about Daylight Saving Time (DST) in 2024, including when it ends, who decides on DST, states that don’t participate, states that want to change their DST observance, and federal legislation efforts:
Topic | Details |
When Does DST End in 2024? | Sunday, November 3, 2024 at 2 a.m. local time (clocks set back one hour). |
Who Decides on DST? | The U.S. Department of Transportation (DOT) oversees DST but cannot unilaterally change it. |
Duration of DST | 238 days; Begins on the second Sunday in March and ends on the first Sunday in November. |
States Not Observing DST | Hawaii and Arizona (except Navajo Nation) observe standard time year-round. |
States Seeking Permanent DST | Recent bills and resolutions in states like Ohio and Oklahoma to keep DST year-round. |
Federal Legislation Efforts | – Sunshine Protection Act: Proposed by Sen. Marco Rubio (R-Fla.), aims for year-round DST; currently in committee. – Other bills by Rep. Mike Rogers (R-Ala.) and Rep. Ralph Norman (R-S.C.) related to DST are also stalled. |
History of Daylight Saving Time in the US
Year | Event |
1918 | The US first observed DST during World War I. |
1966 | The Uniform Time Act standardized DST observance across the US. |
1974-1975 | Extended DST to 10 months in 1974 and 8 months in 1975 due to the energy crisis. |
1987-2006 | DST was observed for about 7 months each year. |
2007 | Current DST schedule introduced, following the Energy Policy Act of 2005. |
Frequently Asked Questions (FAQs)
1. When does Daylight Saving Time start and end in the US?
Daylight Saving Time in the US starts on the second Sunday in March and ends on the first Sunday in November.
2. Which states do not observe Daylight Saving Time?
Most of Arizona and Hawaii do not observe DST. Certain US territories like Puerto Rico and Guam also do not use DST.
3. Why does Daylight Saving Time change occur?
DST is used to make better use of daylight during the longer days of summer, effectively shifting an hour of daylight from the morning to the evening.
4. How has Daylight Saving Time changed over the years?
DST has seen various changes, including extensions during the 1970s energy crisis and standardization with the Uniform Time Act of 1966.
5. How does DST affect sunrise and sunset times?
When DST starts, sunrise occurs later and sunset occurs later in the evening. When DST ends, sunrise and sunset occur earlier in the day.