4 Hour Timer
Perfect for half work days, intensive study sessions, or long-duration activities. Starts immediately and alerts you when complete.
Perfect for half work days, intensive study sessions, or long-duration activities. Starts immediately and alerts you when complete.
The 4 hour timer starts automatically as soon as the page loads. You can pause it at any time, then press Resume to continue, or Reset to start a new 4 hour countdown.
Yes. The browser will play the alarm sound when the 4 hour countdown reaches zero, even if the tab is in the background. Make sure your device volume is on and the tab is not muted.
A 4 hour countdown is great for naps, study marathons, slow cook recipes, or work shifts. It is a quick way to time-box an activity without juggling a stopwatch app or phone alarm.
Yes — the 4 hour timer is 100% free, requires no signup, and works in any modern web browser on desktop or mobile.