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Time your study sessions by subject, log them automatically, and see today's and this week's totals against a daily goal. Saved in your browser.
Also covers: Study session tracker ยท Study time log ยท Revision timer
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Sessions ยท 0
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Today
0 min
This week
0 min
since Monday
Type what you're studying, or tap a recent subject. Set a daily goal in minutes if you like.
The timer counts up while you study. Pause for interruptions, then Finish & log to save the session.
See today's total against your goal, this week's total by subject, and every session, which you can export as CSV.
A Pomodoro timer counts down fixed work and break intervals. The study timer counts up for however long you study and keeps a log of what you studied and for how long.
Yes. It measures from the clock rather than counting ticks, so it stays exact even when the browser slows down background tabs.
Sessions under 10 seconds are ignored, so an accidental start and stop doesn't clutter your log.
Only in this browser's local storage, on this device. Nothing is uploaded, and clearing your browser's site data removes it.
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Duration
Count the days between two dates, and see the difference in years, months, weeks, weekdays, hours, and minutes.
Date maths
Add or subtract days, weeks, months, and years from a date to find a deadline, due date, or anniversary.
Work days
Count working days between two dates, or add working days to a date, skipping weekends and US or UK public holidays.
Weekday
Find the day of the week for any date, past or future, plus its day of the year, ISO week, and quarter.
ISO week
Find the ISO 8601 week number for any date, with the week's Monday-to-Sunday dates, the US week number, and every week of the year.