A timer that remembers.
Close the tab and come back. Elapsed time is calculated from your saved start time.
START HERE. KEEP IT SIMPLE.
Free fasting timer.
No account required. Track your time and keep your history.
ONE TAP TO BEGIN
Ready when you areYour fasting timer
READY TO START
00:00:00
Your time. Your pace.STARTEDNot startedWhenever you’re ready
FINISHYour choiceNo set duration
Targets only change the display. They are not fasting advice.
More protocols
These are timer templates, not recommendations. Extended durations need individual medical guidance. No target measures a metabolic state.
Completed sessions0In the last 7 days
Recorded time0h 00mCompleted time in this window
Average duration—Your first session starts the story
YOUR LATEST ACTIVITY
Recently recorded
A fresh start.
Your first session will appear here. Already tracked one?
Optional reminders
Halfway, one hour before your target, and at your target. This page must stay open; a sleeping device may delay alerts. Closed-page push is not connected.
Browser notifications are unavailable here. The timer still works.
Plan your week
A personal schedule in your device’s time zone. Timers always start when you choose.
Free to use No ads or tracking pixels Export your data