Sun Alarm is a free Android app developed by Volker Voecking Software Engineering under the Lifestyle category. It is a weather app that allows you to set alarms for various sun-related events. The app is designed to help you plan your activities and make the best use of the daylight hours.

With Sun Alarm, you can set alarms for the following sun-related events: Sunrise, Sunset, Noon, Astronomical twilight, Nautical twilight, Civic twilight, Golden hour, and Blue hour. You can set the alarm time to be either the exact time of the event or a certain time period before or after the event. This feature is useful for photographers, hikers, and anyone who wants to plan their day around the sun's movements.

The app has a simple and intuitive interface that makes it easy to use. It also allows you to customize the alarm tone and snooze duration. Overall, Sun Alarm is a useful tool for anyone who wants to stay informed about the sun's movements and make the most of their day.