Study Timer [Ultradian Rhythm]
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Link to Current Settings
Popular Study Timers
- [Pomodoro Timer] 25m & 5m
- [Primary School] 45m & 5m
- [High School] 50m & 10m
- [52/17 Rule] 52m & 17m
- [University] 90m & 15m
- [Ultradian Rhythm] 90m & 20m
- Launch a popular study timer with just one click.
- Simple, free-to-use, and entirely online. We support silent mode and ensure smooth performance across devices.
- Customize values freely to suit your needs.
- Use the settings button to adjust the sound and volume, or switch to silent mode if you prefer.
- Tap the music note icon to preview the alarm tone.
- When settings are updated, a "Current Settings Link" appears in the center of the page. Bookmark or share the link to save and reuse your setup anytime.
- Sound plays by default. Silent mode is available—feel free to enable it if needed.
- If the page becomes inactive, sound may not play or may be delayed.
- You won't hear any sound if your device is in sleep mode, the volume is muted, or your phone is in silent mode.
- Time display accuracy may vary depending on your device or browser. We appreciate your understanding.