Enter your wake time and lifestyle preferences to find your ideal fasting window and eating schedule.
Fill in your details and click Calculate to see your personalized fasting schedule.
Your eating window is timed to align with your natural cortisol and melatonin rhythms. Earlier eating windows consistently outperform late windows for metabolic health.
Beginners get a gentler starting window with a clear path to extend. Advanced practitioners get optimized windows based on their goals.
If you have hypoglycemia, the calculator automatically caps recommendations at safe windows and adds monitoring reminders.
Build a meal plan that's perfectly timed to your new eating schedule.