GitHub - BinaryBirds/Sunlight: Calculate dawn, dusk, golden and blue hour times by using various algorithms.
Spectralcalc.com Solar Calculator
Civil Twilight for Watch on the App Store
Sunrise, Sunset, and Twilight - Science Pickle
Civil Twilight Calculator | App Price Drops
Civil Twilight Calculator by Aviametrix, LLC
Twilight Types
Civil Twilight Calculator on the App Store
Astronomical Twilight – Definition and Explanation
Sun/Moon Calculator Reference
Nautical Twilight – Definition and Explanation
How do we get ship's position by star sight ? - MySeaTime
Sunrise equation - Wikipedia
SunriseSunset.com - Sunrise Sunset Calculator App for Microsoft Windows
Beginning/end of twilight - General Observing and Astronomy - Cloudy Nights
What is astronomical twilight? | Space
Twilight - Wikipedia
Download Sunset Calculator Lite for Windows Phone
Astronomical Twilight – Definition and Explanation
Sun Position Calculator 1.1.0 Free Download
Civil Twilight for Watch | App Price Drops
trigonometry - How to calculate civil twilight timings? - Mathematics Stack Exchange
About Daylight Hours, Twilight, Civil Twilight, Nautical Twilight and Astronomical Twilight
Sun rise, set and twilight times calculated using a simple iterative scheme and implemented as a QBASIC program, an Excel spreadsheet using VBA and as a plain spreadsheet.
Aviametrix Apps Twilight Aviation Calculator Detail - Aviametrix Apps
