Fasting Window Calculator Set your last meal time to calculate your eating window and biological fasting phases. Last Meal Time Fasting Protocol 16:8 Protocol (Standard Intermittent) 18:6 Protocol (Advanced Reset) 20:4 Protocol (Warrior / Deep Autophagy) OMAD (23:1 - One Meal A Day) Custom Fasting Duration... Custom Fasting Duration (Hours) Calculate Fasting Schedule --:-- Fast Ends / First Meal --:-- Eating Window Closes Biological Phase Breakdown Master Fasting Protocols in "The Metabolic Reset" →