[turn] the clock back
1
to adjust the time on a clock by moving it backward, often by one hour, to account for the end of daylight saving time
- On the last Sunday of daylight saving time, remember to turn the clock back by one hour to return to standard time.
- I turned the clock back on my alarm clock and my car's dashboard clock to ensure I wouldn't be early for my morning appointments.
- She turned the clock back in the living room before heading to bed to adjust for the end of daylight saving time.
- I always turn the clock back in my bedroom when daylight saving time ends to enjoy an extra hour of sleep.
- It's that time of year again when we need to turn our clocks back an hour for daylight saving time.