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Sun Altitude (Daily Variation)

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It calculates and graphs the changes in the sun’s altitude (elevation angle) and direction throughout the day.
East Longitude
Degrees
North LatitudeDegrees
[ Time Differencehours(9: Japan)]
AD
Year
Month
Day
(1900–2099 years)
Azimuths are measured in degrees: North: 0, East: 90, South: 180, West: 270.
The calculation results may contain an error of a few seconds, which increases at higher latitudes.

References)
Calculations of Sunrise and Sunset by Kō Nagasawa (Author), Chijinshokan
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