FastlyFasting schedule calculator
Pick 16:8, 18:6, 20:4, OMAD or your own hours, add your wake-up and sleep times, and see your eating and fasting windows on a 24-hour ring. Print it if you like.
Which plan?
Suggested for you. Change it to fit your day.
Time format
Your 16:8 fasting schedule
- Eating
- Fasting
- Sleeping
Eating window (8 h)
12:00 PM to 8:00 PM
Fasting window (16 h)
8:00 PM to 12:00 PM
About 8 h of the fast falls while you sleep.
- 7:00 AM You wake up
- 12:00 PM Eating window opens5 h after waking
- 8:00 PM Eating window closes3 h before bed
- 11:00 PM You go to sleep
General information, not medical advice. Talk to a doctor before you fast if you have a medical condition (such as diabetes), take medication, are pregnant or breastfeeding, are under 18, or have ever had an eating disorder. Stop and get help if you feel unwell.
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