312 Hour Timer

Start a 312 hour timer.

312:00:00

Press Ctrl/Cmd + D to Add to Bookmarks ๐Ÿ˜‰

Set another timer

Here are more awesome pre-set timers you can use. They range from popular timers like the 10 minute and 30 second timer to a 72 hour timer. If you donโ€™t find the timer you want in this list or in our timer pages, you can simply change the settings of the one above.

Online countdown timer

Start the 312-hour timer. Whether you're cooking or studying for 312 hours or you need to check or do something after 312 hours, this timer can help you stay focused and improve productivity.

Click the "Start" button to start your timer and the "Settings" button to change the timer settings and adjust the hours, minutes and seconds to your liking. If you want to start the timer again, click the "Reset" button.