![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)
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.
TOOL) – Online Photoperiod Calculator: Computation of Sunrise, Sunset and Twilight Times (fail-safe) | J. Lammi – 📚 Glossarissimo!
![Amazing Maps en Twitter: "Sunset on the summer solstice in Europe Source: https://t.co/1TF0x2YIpL https://t.co/5z0fxcyRvL" / Twitter Amazing Maps en Twitter: "Sunset on the summer solstice in Europe Source: https://t.co/1TF0x2YIpL https://t.co/5z0fxcyRvL" / Twitter](https://pbs.twimg.com/media/DC2ancMXkAE65kx.jpg)
Amazing Maps en Twitter: "Sunset on the summer solstice in Europe Source: https://t.co/1TF0x2YIpL https://t.co/5z0fxcyRvL" / Twitter
![SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic system, Photovoltaic SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic system, Photovoltaic](https://www.suncalc.org/img/suncalc.png)
SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic system, Photovoltaic
![Worldwide sunrise and sunset time Calculator for major cities and calculate the sun direction and altitude, Worldwide sunrise and sunset time Calculator for major cities and calculate the sun direction and altitude,](https://media-cdn.tripadvisor.com/media/photo-i/1a/19/63/ba/worldwide-sunrise-and.jpg)