Year 2006

Article of the month February

Sun paths


How high is the sun in the sky, and in which direction?
A graphic representation of the sun path can answer these questions.
This link to Sun Charts will let you download sun path graphs for any desired latitude.
Below are some examples showing how the time system may be chosen as well.

art-06-02-01.jpg
Sun path for 52 deg latitude; apparent solar time.

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Sun path for 52 deg latitude; civil time, 21 June to 22 December.
Longitude correction and equation of time are accounted for.

art-06-02-03.jpg
Sun path for 0 deg latitude; apparent solar time.
The sun can reach an altitude of 90 degrees.

art-06-02-04.jpg
Another Sun Chart graphic representation.
It looks somewhat similar to an Oughtred dial, but the projection method is different.

Fer de Vries

Link naar Sun Charts

English translation: RH