When Does Est Start In 2025. At 2:00 ept, clocks will “spring forward” one hour to 3:00. Eastern standard time (est) starts on sunday, november 3, 2025 at 2:00 am local time and clocks are set one hour back to sunday, november 3, 2025, 1:00 am.
Here’s what to know about the upcoming time change: When does daylight saving time begin in 2025?