Set Alarm for 12:45 PM
A free online alarm clock preset to 12:45 PM. Press Start, leave this tab open, and it will ring at 12:45 PM sharp.
Keep this tab open. For alarms that work with your phone locked, get AVA.
Waking up at 12:45 PM
Not every alarm is a morning alarm. A 12:45 PM ring is a workhorse for night-shift workers finishing their “night”, travelers dodging jet lag, and anyone timing medication, a call, or the school pickup.
Sleeping until 12:45 PM after a night shift? Aim to be asleep by 5:15 AM to complete five cycles, and treat that window as seriously as a nine-to-five sleeper treats midnight. Short on time? Even ninety minutes — one full cycle — beats an hour of half-sleep.
Wake-up rules don’t change at midday: sit up on the first ring, get bright light or step outside, and drink some water before reaching for caffeine. Grogginess after daytime sleep is normal and fades fastest with light and movement.
FAQ
- How do I set an alarm for 12:45 PM?
- Press Start above — the page counts down to the next 12:45 PM and plays a loud beep through your browser. Keep this tab open and your volume up. No download or signup needed.
- What time should I go to bed to wake up at 12:45 PM?
- To get 7.5 hours of sleep (five full 90-minute cycles), be asleep by 5:15 AM. For a full nine hours, aim for 3:45 AM. Add about 15 minutes for actually falling asleep.
- Will the alarm ring if my screen is off or the tab is closed?
- No — a browser alarm needs this tab open and the device awake. For alarms that ring reliably even over the lock screen, use the AVA app.