Timero

12 Hour Timer

21°C
12/4/2025 Thu

Remaining Time

120000
Progress100%

Quick Settings

Free Online Countdown Timer - Set Custom Timers from 10 Seconds to 16 Hours

Set timer for 12 Hours. Wake me up in 12 Hours. Set the alarm for 12 Hours from now. It is a free and easy-to-use countdown timer. Set the hour, minute, and second for the online countdown timer, and start it. Alternatively, you can set the date and time to count till (or from) the event. Start 12 Hours timer. Perfect for productivity, workouts, cooking, and time tracking. Choose from preset timers or set custom time. No signup required.

  • Set custom timers from 10 seconds to 16 hours
  • Choose from preset timers (1 minute, 5 minutes, 10 minutes, etc.)
  • Custom time settings with hours, minutes, and seconds
  • Free and easy-to-use countdown timer
  • No registration required