Wake me up at 12:15 AM
Set the alarm for 12:15 AM. Set my alarm for 12:15 AM. This free online alarm clock will wake you up in time — no app install, no account required.
Open this page, click Set Alarm, and keep the tab open (or pinned). At 12:15 AM, the alarm message appears and your chosen sound plays. Use Try Alert in the editor to preview the alarm before you rely on it.
Night alarms can remind you to head to bed, take medication, or catch a late show before sleep. Quarter-past times suit staggered wake-ups when others in the house rise at :00.
Customize the alarm title, pick a sound, toggle repeat, and switch 12/24-hour display from Settings. Share a link with the exact time encoded, or embed the alarm on your own site.
Frequently asked questions
- How do I set an alarm for 12:15 AM?
- This page is pre-filled for 12:15 AM. Click Set Alarm to arm it. The countdown runs in your browser until 12:15 AM today (or tomorrow if that time has already passed).
- Will the alarm work if my computer sleeps?
- The alarm needs your device awake with this tab open. For critical wake-ups, disable sleep mode or use a dedicated alarm device as backup.
- Can I change the alarm sound?
- Yes. Click Set Alarm or Edit to open the alarm editor, choose a sound, and press Try Alert to preview the full alarm experience at your current volume.