3 Hour Timer
Set a timer for 3 hours. It is ready to go below - press start and the alarm will sound when the countdown reaches zero.
3:00:00
Ready
Shortcuts: Space start or pause, R reset, F fullscreen, M mute
About the 3 hour timer
Timers this long are set once and forgotten: baking and braising, parking meters, long study or work blocks, and charging cycles. Because the countdown is anchored to a real clock time, it stays accurate for hours in a background tab, and it survives a page refresh.
Need a different length? Set a custom timer in hours, minutes and seconds, or pick one of the presets below.