Intermittent fasting duration calculator

Calculate the duration of your intermittent fast with this fasting time calculator tool.

Track your fasting time on your iPhone’s Home Screen & Lock Screen

Days

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Hours

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Minutes

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Start

Finish

Select your starting and end fasting time to calculate its duration

iPhone showing countdown widgets, including one showing how much time left to end your fasting

Track your fasting time with beautiful widgets on your iPhone’s Home Screen & Lock Screen

Also available on iPad, Apple Watch & Mac (Silicon)

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