EDSunriseSet is an Objective-C wrapper for the C languages routines created by Paul Schlyter. Calculation is done entirely by the C-code routines. EDSunrisetSet bridges those calculations to common cocoa classes (NSDate, NSTimeZone... )
- Calculates Sunrise/Sunset times
- Calculates Civil/Nautical/Astronomical twilight
EDSunriseSet license is MIT based. Attribution is appreciated, but not required.