HK Public Holidays 2021 is a free calendar app developed by SwiftyStudio for Android devices. It is a convenient tool for those living and working in Hong Kong who want to keep track of public holidays and annual leaves. The app supports both the Gregorian and lunar calendars and can be used offline, making it accessible anytime, anywhere.

One of the app's main features is its accurate display of Hong Kong public holidays for the yearThe monthly calendar mode presents all the vacations, making it easy to plan ahead. Users can also enter their own annual leave and customize holiday plans, making it a useful tool for personal and professional scheduling. All of these features can be used without requiring an internet connection, making it a reliable and accessible tool for all users.