Perpetual Calendar is a free mobile application developed by YouLoft Holding Group Co. Ltd. It is a comprehensive Chinese calendar that integrates Gregorian and lunar calendars, notes, reminders, and weather. With over 300 million users, it is one of the authoritative and accurate calendar apps among its peers.

The app provides various functions such as the Gregorian calendar, lunar calendar, weather, schedule, yellow calendar, notes, birthdays, and holidays. Users can easily access historical inquiries and taboos for the yellow calendar, festival solar terms, and auspicious days inquiries. The app also has a reminder feature for meetings, memos, to-dos, schedule management, birthday reminders, and diary entries. Weather dynamics, weather in the next week, and PM2.5 pollution reminders are also available.

Perpetual Calendar has a simple interface, highlights Chinese style, and makes a high-quality and accurate Chinese calendar perpetual calendar. It is an excellent time management expert that helps users combine time with events and live an efficient life. The app is perfect for those who want to inherit and continue Chinese traditional culture.