Track study sessions by subject with built-in Pomodoro cycles, daily goals, and weekly progress charts.
This tool measures study time the way a stopwatch measures a race: only the minutes you actually run it for exist in its records. You select the subject you are about to study, work through the built-in Pomodoro cycle, and each completed interval lands in that subject's totals, which feed the daily goal and the weekly progress chart. Everything runs in your browser, so no session data is uploaded anywhere. The surprise is the same one every timer produces: if the clock is not running, the studying did not happen, and no chart can recover a session you forgot to start.
The Pomodoro cycle alternates a focused work interval with a short break, inserting a longer break after every fourth interval; the technique's canonical timings are 25 minutes of work, 5-minute breaks, and a 15-30 minute longer break. Each completed work interval counts as one recorded unit, credited to the subject that was selected when it ran.
Recording is the only thing the tool measures, and every view reads the same log. Time run with a subject selected accrues to that subject; the daily goal shows whether today's recorded total reached the target; the weekly chart groups the same sessions by day. Because one log feeds all three views, they stay consistent - a session recorded under the wrong subject shows up in that subject's column.
We cannot verify this page's behavior away from the keyboard from its description, so treat the timer as live only while you are watching it. Pause or stop the session yourself whenever you step away: only time that actually ran can appear in the records, and a record you control is the safest one.
The standard cycle is 25 minutes of work, 5 minutes of break, and a longer break after every fourth block, and the description says Pomodoro cycles are built in. Whether this particular page lets you change those lengths is unconfirmed, so plan around the standard cycle and check the page for settings before assuming otherwise.
The behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.
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