A focused study block with review
Start the timer when the activity begins, then use the visual ring to check progress without reading a clock.
Free online countdown
Thirty-five minutes adds useful review time to a standard half-hour working block.
Keyboard: Space starts or pauses, R resets, F enters fullscreen.
Practical ideas
Start the timer when the activity begins, then use the visual ring to check progress without reading a clock.
Start the timer when the activity begins, then use the visual ring to check progress without reading a clock.
Start the timer when the activity begins, then use the visual ring to check progress without reading a clock.
Set a separate five-minute timer afterward if you want a deliberate recovery period.
Choose another duration
Timer help
Press Start to begin the preset 35 minutes countdown. You can pause, reset, change the duration, enter fullscreen, or share the page.
The timer calculates from a fixed end time instead of trusting delayed browser intervals. Keep the tab open and your device awake if you need to hear the alarm.
35 minutes equal 2,100 seconds.