Institute of Applied Physics Atmospheric Research Group A T M O S P H E R I C
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Monitoring
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Astro-calculators

Sun Calculator


   The program calculates the ecliptic, equatorial and horizontal coordinates of the Sun, sunrise and sunset, azimuths of sunrise and sunset, duration of the day, transit time, equation of time for anywhere in the world, distance from the Earth and angular diameter of the Sun. In version 4 civil, nautical and astronomical twilight are added.

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