When Does Daylight Savings Start 2024 Usa. In the united states, daylight savings lasts for eight months—starting on the second sunday in march and ending on the first sunday in november. Daylight saving time, or dst, is the period of the year when clocks are moved one hour ahead.

Clocks are turned forward one hour from 2 am to 3 am. In 2024, daylight saving time ends at 2 a.m.