1 hour timer - Free Online Countdown Timer | MyClockly
Start a free 1 hour online timer with sound on MyClockly. Use a browser countdown timer for focus, breaks, cooking, study, workouts, and work tasks.
Can I start a 1 hour timer online?
Yes. This page is built for a 1 hour countdown. Create the timer, then press Start when you are ready.
Will the timer work if my browser tab is closed?
No. Keep the browser tab open for the countdown and completion sound to work reliably.
Can I change the timer sound?
Yes. MyClockly lets you create custom timers with different sounds, volume, labels, and auto-restart settings.