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What Is the Best Time to Start Your Fasting Window?

The best time to start your intermittent fasting window depends on your lifestyle — here's exactly how to choose a schedule that works and sticks.

2026-05-19

The best time to start your fasting window is immediately after your last meal — usually in the evening, between 6pm and 8pm. Most beginners succeed with a noon-to-8pm eating window, which means fasting begins at 8pm and ends at noon the next day. As your body adapts, shifting your eating window earlier — for example, eating between 4pm and 6pm — tends to produce faster results and deeper fat-burning. Choosing the right start time for your fasting window is…

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