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.
TIL that the period of twilight just after sunset is called Nautical Twilight, and there is a calculator to tell you when it starts and ends. : r/todayilearned
GitHub - BinaryBirds/Sunlight: Calculate dawn, dusk, golden and blue hour times by using various algorithms.
Download Sunset Calculator Lite for Windows Phone
Civil Twilight Calculator by Aviametrix, LLC
About Daylight Hours, Twilight, Civil Twilight, Nautical Twilight and Astronomical Twilight
Nautical Twilight – Definition and Explanation
How To Calculate Sunrise using a Nautical Almanac! - YouTube
The Nautical Almanac 2023 for mariners - free edition
Dawn, dusk and twilight | Meanings and Timings
Sunrise and Sunset calendar. Sunrise, Sunset, Twilight, and Daylight Hours any city in the world
Basic Of Celestial Navigation – My Sea knowledge by: 2/0 John Anthony Dana
Twilight - Wikipedia
Skyclock v1.4-618 APK (Paid) Download
Do you know how to calculate Sunrise or Sunset using Nautical Almanac (NP 314)? Here's a full video about calculating sunrise and sunset.... | By The Millennial Seafarers | Facebook