Daylight saving ends Sunday. Here’s what you should know

Daylight saving ends Sunday. Here’s what you should know

Daylight saving time (DST) will end on Sunday, November 3, 2024, at 2 a.m., when clocks will be set back one hour to 1 a.m. This change allows people to gain an extra hour of sleep as the evenings will become darker earlier across the United States.

Key Points About the Change

Extra Hour of Sleep

When clocks fall back, individuals effectively gain an hour of sleep. For instance, going to bed at 10 p.m. will feel like going to bed at 9 p.m.1.

Impact on Daylight

The end of DST means that mornings will have more daylight, while evenings will be darker. This shift can affect daily activities and routines, particularly for those who work late.

Historical Context

Daylight saving time was first established in the U.S. during World War I as a measure to conserve energy. It has undergone several changes since then, with the current schedule set by the Energy Policy Act of 2005, which mandates that DST begins on the second Sunday in March and ends on the first Sunday in November.

States Not Observing DST

Hawaii and most of Arizona do not observe daylight saving time, along with several U.S. territories like Puerto Rico and Guam.

Health Considerations

Experts warn that changing clocks can disrupt natural circadian rhythms, potentially leading to health issues such as increased heart attacks and sleep disturbances. Organizations like the American Academy of Sleep Medicine advocate for making standard time permanent to mitigate these risks.

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Future Changes

While there have been discussions about making daylight saving time permanent, such proposals have not yet passed through Congress. As it stands, after November 3, standard time will remain until clocks spring forward again on March 10, 2025