8 Hour Timer
8-hour timer for full work days, overnight cooking, or sleep timers. Runs reliably in your browser.
Quick presets:
Favorites (0/5):
Set a time and press Start
What Can You Do in 8 Hours?
8-hour block for extended projects or study marathons
Slow cooking and smoking — low and slow recipes
Sleep timer — fall asleep to music or podcasts
Long gaming sessions with a built-in stopping point
Tips for Your 8 Hours Session
Schedule brief standing breaks every 45-60 minutes during long timer sessions.
Set intermediate goals at the halfway point so the full duration doesn't feel overwhelming.
Frequently Asked Questions
How many minutes is 8 hours?
8 hours equals 480 minutes or 28,800 seconds.
What should I use a 8-hour timer for?
A 8-hour timer is useful for full work blocks, slow cooking, sleep timers, or any activity where you need a hard stop after several hours.
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Need a Different Duration?
Set any custom time with our full countdown timer — hours, minutes, and seconds.
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