What does this tool do?

It aligns an eat window to local sunrise for common IF protocols and draws a 24-hour clock.

A full fast day (0 eat hours). Alternate days are not auto-scheduled.

Is this medical advice?

No. Extended fasts need clinical guidance.

No. Sunrise is computed locally.

Align 16:8, 14:10, 18:6, 20:4 or 5:2 eating windows with local sunrise

City search (offline)

Latitude

Longitude

IANA timezone

Local date and time

Protocol

Eating window starts at sunrise when the sun is found. 5:2 is a full fast day. Not medical advice.

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