How are we calculating sunrise/sunset timesSubmitted by admin on 10 May, 2009 - 21:42 |
Sunrise/sunset times are calculated using embedded PHP 5 functions. The almanac module implements the low resolution method for calculating moonrise and moonset outlined in Montenbruck and Pfleger's Astronomy on the Personal Computer (1989). The time displayed in the sunrise/sunset box is the time at which sunrise/sunset were calculated.
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Sunrise & Sunset via C-library.
For calculating sunrise & sunset times you can use the same public domain API as on http://sunrisehour.com/sunrise-sunset/bulgaria/sofia. Check out the site Acknowledgements section.