2025 Daylight Savings Day Start. Sunday, march 09, 2025 daylight saving time starts on the second sunday of march for the united states. However, research shows that the energy savings are small, which was a main reason for starting daylight saving time.
See details about the history of saving daylight and why we still observe dst today. Below you can find dates of daylight saving (start) 2025 and daylight saving (start) 2026.