Timer for 155 minutes

An online timer for 155 minutes helps you track long periods with seconds ' accuracy. Control is simple — Start, Pause, Reset are available instantly. When the countdown is complete, the selected signal sounds, the volume is adjusted, or the sound is turned off completely.

The time calculator shows 155 minutes in seconds and hours. The interface is responsive, supports full-screen mode, and continues to work accurately when changing tabs, duplicating the rest of the time in the browser tab title.