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SunCalc

Free

Shows sun position and shadow direction for any place and time, used to verify photo timing.

SunCalc's help text says it "shows the movement of the sun and sunlight-phase for a certain day at a certain place". For the selected location the page lists dawn, sunrise, sunset, dusk, daylight duration, altitude, azimuth and shadow length, and it has a reverse calculation from sun altitude and azimuth at a given time.

Official site: https://www.suncalc.org

Last verified 2026-10-12.

Description rewritten from the vendor's own pages and checked against them. How entries are checked.