⏳ Fasting Timer
16:00:00
Set a target fasting duration and press start to track elapsed and remaining time with a ring-style progress display. Adjust the target freely to match popular fasting schedules like 16:8 intermittent fasting.
How to use
- Use the slider to set your target fasting duration (4-48 hours).
- Press "Start Fast" as soon as you finish eating.
- The ring and remaining time update in real time, and the timer shows "Complete" once the target is reached.
FAQ
What is 16:8 intermittent fasting?
A popular intermittent fasting schedule where you fast for 16 hours and eat within an 8-hour window each day. You can set the target to 16 hours in this tool to follow it.
Is my progress saved if I close the tab?
No. This timer only runs while the browser tab stays open — closing or reloading the page resets the timer.
What should I know before starting a fast?
If you have a medical condition, are pregnant or breastfeeding, or are still growing, consult a doctor before fasting. Stop immediately if you feel unwell.