When Does DST Start and End in the US? Daylight Saving Time (DST) in most of the United States starts on the second Sunday in March and ends on the first Sunday in November.

Find out when Daylight Saving Time 2026 starts and ends, plus history, facts, and ongoing debates in this essential seasonal guide. A guide to Daylight Saving Time on timeanddate.com—including which …

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In many countries, the part of the year when DST is observed is much longer than the part aligned to standard time. The practice of DST was first tested and widely adopted in the early 20th century, …

Mar 1, 2026 · Complete guide to Daylight Saving Time (DST). Learn when clocks change, which countries observe DST, why it exists, and how it affects time zones around the world.

Mar 2, 2010 · Daylight saving time, or DST, is the period of the year when clocks are moved one hour ahead. In the United States, this has the effect of creating more sunlit hours in the evening during …

May 6, 2026 · What does “spring forward and fall back” mean? In the spring months, clocks are moved up one hour for Daylight Saving Time (DST). In the fall, clocks are moved back one hour. This gave …

During Daylight Saving Time, clocks are set forward by one hour from standard time. This shifts one hour of daylight from the morning to the evening. In the Northern Hemisphere, clocks typically …

Most of the United States observes daylight saving time (DST), the practice of setting the clock forward by one hour when there is longer daylight during the day, so that evenings have more daylight and …

Daylight saving time (DST), also known as summer time, is the practice of advancing clocks during part of the year, typically by one hour around spring and summer, so that daylight ends at a later time of …