TOOL) – Online Photoperiod Calculator: Computation of Sunrise, Sunset and Twilight Times (fail-safe) | J. Lammi – 📚 Glossarissimo!
![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.
![landscape - Are there any mobile applications that calculate sunrise/sunset based on location? - Photography Stack Exchange landscape - Are there any mobile applications that calculate sunrise/sunset based on location? - Photography Stack Exchange](https://i.stack.imgur.com/xGEah.png)