Fasting Window Calculator
🕛 Fasting Window Calculator
Enter your IF protocol and sleep schedule to get your exact eating window, fasting window, Indian meal times, and a full weekly calendar view.
Last updated: July 2026
⚠️ For informational purposes only. If you have diabetes, PCOS, or any chronic condition, consult your doctor before starting intermittent fasting.
⏰ Choose Your IF Protocol
📆 5:2 protocol: You eat normally 5 days a week and restrict to ~500 calories on 2 non-consecutive days (e.g. Monday and Thursday). The calculator below shows your eating/fasting structure for the 2 restriction days.
💤 Your Schedule
🍴 Eating Window
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— hours
💧 Fasting Window
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— hours
🇮🇳 Best Indian Meal Times
📅 Weekly Schedule View
✅ Tips for This Window
⚠️ Fasting windows are flexible guides, not strict rules. Shift your window by up to 1 hour on special occasions without breaking your progress. Consistency over weeks matters more than daily precision.
🔗 Next steps: Use our IF Protocol Selector to choose the right protocol, or the Calorie Deficit Calculator to set your daily target within your eating window.
📖 Get the FREE "Intermittent Fasting India Starter Guide" PDF
Your protocol, Indian meal timing, week 1 plan & fasting FAQs
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