Lunisolar - Sun Moon Calendar is a free Android application developed by XSONUS. It belongs to the Lifestyle category and provides a comprehensive set of features that allows users to calculate Lunar days for their current location. The app also shows descriptions based on the user's own description files, compiled from sources they prefer.

The app offers an extensive set of features, including the calculation of lunar days, start and end times of a lunar day, moon phases, moonrise and moonset, sunrise and sunset, solar days, solar and lunar eclipses from 1900 to 2100, astrological signs and degrees for positions of the sun and the moon, and a sun and moon compass. The app also allows for date and time navigation, and is optimized for both tablet and phone use with landscape and portrait orientation modes. Premium users can enjoy additional features, such as customizable widgets and no advertisements.

Overall, Lunisolar - Sun Moon Calendar is a valuable tool for those interested in tracking lunar days and celestial events. If you encounter any issues, the developer can be contacted via email.