Daylight Saving Time Fast Facts
CNN Editorial Research (CNN) — Here’s a look at Daylight Saving Time, a system to reduce electricity usage by extending daylight hours. Facts Sunday, March 9, 2025 – Daylight Saving Time begins at 2am. Set clocks ahead one hour. Sunday, November 2, 2025 – Daylight Saving Time ends at 2am. Set clocks back one hour.
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