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
GitHub - caarmen/SunriseSunset: Java utility to calculate the time of sunrise and sunset for a given location.
![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. 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.](http://www.stargazing.net/kepler/sunsheet.gif)