APKPure Appを使用する
Sky Timeの旧いバージョンをダウンロードすることが可能
（現地時間、UTCなど）天文学に特に関心の多数の時間を示します
Sky Time contains a widget and application which shows numerous times of particular interest to astronomy, including local time, UTC, local mean time, sidereal time, julian date, as well as sunrise, sunset, moonrise and moonset.
The application is able to be displayed in normal mode as well as night mode