Khmer Calendar is a free, easy-to-use calendar app that provides a quick and easy way to view public holidays in Cambodia. The app allows users to add their own events or tasks to the calendar, and also includes religious events such as Meak Bochea, Pisak Bochea, Jole Preah Vosa, Jegn Preah Vosa, Kann Ben 1st -14th, Kathin, Sompeas Preah Khae, and Thgnei Sel.

The app is available in both English and Khmer languages, and users can easily switch between the two. Khmer Calendar also offers a variety of customizable features, including widget background color, text color, and image, as well as background and text color of app. Users can exclude weekends from counting and export and import event lists in CSV format. The app also includes an age calculator, birthday finder in Khmer, and synchronization with the Gregorian calendar. Khmer Calendar is an excellent tool for anyone looking to stay organized and up-to-date in Cambodia.