Daylight saving time 2025: When do we fall back? Why do we have time changes?

The U.S. has observed daylight saving time since 1918, but some Texas legislators say it disrupts safety and productivity.

When does the time change in 2025? Here’s when daylight saving time ends in the fall

Daylight saving time for 2025 began at 2 a.m. EDT on Sunday, March 9, 2025. It will end when we fall back at 2 a.m. EST on ...

When does daylight saving time end in 2025? Here's when to turn clocks back this fall

Fall is here, which means daylight saving time will soon come to an end. Here's what to know and when clocks need to change.

When does daylight saving time 2023 end and the days of early darkness begin? What to know

Daylight saving time ends Sunday, Nov. 2, 2025, at 2 a.m., giving Americans an extra hour of sleep. Here’s what to know about the time change.
IEEE

A PVT Variation-Robust All-Digital Injection-Locked Clock Multiplier With Real-Time Offset Tracking Using Time-Division Dual Calibration

Abstract: Although an injection-locked oscillator (ILO) can offer excellent jitter performance on average, its intense phase modification at a given injection rate inevitably degrades spur performance ...