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 · 2026-08-13
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Photo or silhouette of the subject — nothing leaves your browser.
Sun altitude
-20.9°
Sun azimuth
337.5°
NNW
Shadow length
—
sun below horizon
Shadow direction
—
·Sun is below the horizon at this time — no real sun-cast shadow would exist; values are geometric only.
Apparent solar22:33
Sunrise05:42
Solar noon13:05
Sunset20:26
Subject view
Facing 180° S
No shadow — sun below horizon.
Diagram is fixed to the subject: front is always up. The small "N" marker shows where true north lies.
No sun-cast shadow — the sun is below the horizon.
Diagram is top-down. Arrow points where the shadow falls.