Perpetual Calendar The application supports viewing lunar and solar calendars quickly and conveniently *Date Calendar: - We can swipe lightly on the screen to see the next or previous day - View date and time (can, do) *Monthly Calendar: - View the overall lunar and solar calendars of each month and every year you want to see - Enter the year you want to see quickly * Calculate dates quickly. * Menus: - See the zodiac time of a certain day - See good and bad days of the month