Mode 01
Scene builder
Set a place, date and time. Watch the sun move; watch the shadow answer.
Londonlat 51.5074lng -0.1278tz Europe/London
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Reading
London · 2026-07-02
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Photo or silhouette of the subject — nothing leaves your browser.
Sun altitude
27.6°
Sun azimuth
272.9°
W
Shadow length
3.44 m
1.91× height
Shadow direction
92.9°
E
Apparent solar16:56
Sunrise04:48
Solar noon13:04
Sunset21:20
Subject view
Facing 180° S
Shadow falls directly to the left of the subject.
Diagram is fixed to the subject: front is always up. The small "N" marker shows where true north lies.
Diagram is top-down. Arrow points where the shadow falls.