90 Minute Timer
Start a free 90 minute focus timer based on ultradian rhythms. Perfect for deep creative work and maximum productivity.
90 Minute Timer is a free, browser-based focus timer from PomoDial. Set your interval, write your intention for the session, and start working — no account, no downloads, and no distractions.
How to use the 90 minute timer
- Open the timer and choose your focus duration on the dial.
- Write a one-line intention for what you plan to accomplish.
- Press start and work without switching tabs until the timer ends.
- Take your scheduled break, then start the next session.
PomoDial is built around the Pomodoro Technique — short, intentional bursts of deep work separated by deliberate breaks. Pair this page with the classic Pomodoro timer or explore the PomoDial blog for more focus guides.
Frequently Asked Questions
What are ultradian rhythms?
Ultradian rhythms are biological cycles that occur multiple times per day, typically lasting about 90 minutes.
Is 90 minutes too long to focus?
For most people, 90 minutes is the upper limit of sustained deep focus. It requires practice and a distraction-free environment.
How many 90-minute sessions should I do per day?
Two to three 90-minute deep work sessions per day is what most experts recommend.
Start your 90 minute timer session
Free, no signup, works in any browser.
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