90 Minute Timer
Ninety minutes approximates one full sleep cycle, a movie or match runtime, or a long workshop block. Start the countdown fullscreen and it keeps running accurately in the background even if you switch tabs.
Use it for
- Full sleep-cycle naps
- Workshops / training sessions
- Match or movie-length blocks
Other timers
← Stopwatch & full Chronograph toolRelated tools
More free, in-browser tools from the Documents & Utility set — every one runs locally, with no sign-up and no upload.
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