If you love the starry night and want to know everything in the sky, this app is one of the best. If you just hold up your iPhone and it will tell you exactly what you are pointing at. It also makes the virtual sky a gorgeous view.
The Moon: Calendar Moon Phases
Lunar calendar is one of the oldest calendars in modern society. A lunar month can only be 29 or 30 days long. In other words, the length of a year…