Intermittent Fasting Calculator & Timer
Calculate your fasting and eating windows and track your fast with a live countdown timer.
Plan out your fasting schedule instantly. Learn exactly when your fasting window ends and your eating window closes.
Fasting Details
Your Fasting Schedule
Eating Window Open
Fasting complete!
Closes at 08:00 PM
Eating Window Opens:12:00 PM
Eating Window Closes:08:00 PM
Fasting Protocol Tips
- •Drink plenty of water, black coffee, or green tea during your fasting window.
- •Break your fast gently with a balanced meal containing protein and healthy fats.
- •Avoid intensely sugary foods right when your eating window opens to prevent blood sugar spikes.
- •Stick to a consistent fasting schedule each day to help your body adapt more easily.
Disclaimer: Intermittent fasting isn't suitable for everyone — consult a doctor if pregnant, diabetic, or have a history of disordered eating. Not medical advice.