Overview

• Daylight saving time in the United States ends on Sunday, November 2, 2025 at 2 a.m., when most clocks roll back one hour.
• Under Mexico’s 2022 Ley de los Husos Horarios, only designated northern border areas observe seasonal changes and they will also fall back on November 2.
• The Mexican locales include parts of Coahuila, Nuevo León, Tamaulipas, Chihuahua and the state of Baja California, as listed by authorities for the 2025 winter switch.
• Sonora keeps a permanent time aligned with Arizona, and U.S. jurisdictions that do not change clocks include Arizona, Hawaii, American Samoa, Guam, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands.
• Texas’s HB 1393, signed on June 20, 2025 to establish a permanent Texas Time, requires approval from the U.S. Congress before any change can take effect.