The lunar calendar, also known as the perpetual calendar, is a type of calendar based on the cycles of the moon. Vietnamese Lunar Calendar - Van Nien Calendar, also known as Lunisolar Calendar, is a type of calendar used by many cultures, in which the date of the calendar indicates both the lunar phase (or moon phase) and the time of the solar year. (calendar).
The application helps you view and look up negative days, positive days, as well as beautiful days of the day.