Timer
Set a duration and start. Presets, sound alerts, keyboard shortcuts and fullscreen included.
Timer · 05:00
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Set timer
Presets
Options
Shortcuts: Space start/pause, R reset, F fullscreen. The timer keeps running if you reload or switch tabs; keep this tab open for the alert to sound.
How the timer stays accurate
The timer stores its end time instead of counting ticks, so it never drifts — even if the tab is in the background or your device is busy. It continues after a page reload.
When time is up, a sound plays (if enabled) and a notification appears if you allowed notifications. Browsers only play sound after you have interacted with the page, and the alert only fires while the page is open.
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- Sunrise & SunsetSunrise, sunset, day length and twilight times.