Daylight Saving Time 2026 Begins March 8; Some US States and Territories Opt Out

Daylight Saving Time (DST) in the United States for 2026 begins on Sunday, March 8, at 2 a.m. local time, when clocks move forward by one hour. Most states observe this change to extend evening daylight, while some, including Hawaii, most of Arizona, and several US territories like Puerto Rico and Guam, do not participate. The practice, standardized by the Uniform Time Act of 1966, has been debated due to its effects on health and daily routines.