SunGuide Solar Calculator for iPhone: Details

Credits and Thanks

SunGuide uses public domain code by Paul Schlyter for calculations.


SunGuide is a solar time calculator for the iPhone and iPod Touch.

From SunGuide's clean and simple interface, you can immediately see important sun times in your location for the upcoming week.

SunGuide currently offers times for:

  • Sunrise/sunset
  • Civil twilight
  • Nautical twilight
  • Astronomical twilight

SunGuide requires no internet connection, and can use Location Services to provide realtime position updates for its calculations.

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