What a 15 minute timer is for
Fifteen minutes is a quarter hour: the length of a proper break, a short revision sprint, or the amount of cleaning that visibly changes a room.
What people set it for
- A study or revision sprint before a break
- The standard morning or afternoon work break
- A fifteen-minute stand-up or check-in
- Roasting, proving or resting in the kitchen
How this timer behaves
The countdown is stored as the moment it should finish, not as a number being decremented, so switching tabs or minimising the window cannot make it run late, and pausing and resuming is exact. Through the final minute the readout and its ring turn red and pulse, giving you a warning before the alert rather than only at it.
It does not start on its own. The alarm is generated in your browser, and browsers keep audio silent until you interact with the page — so a timer that started by itself would be a timer that finished in silence. One tap on start is what makes the sound work.