Calendar Converter is a simple tool for converting a date in one calendar to the date(s) in the others by using the functions provided by macOS. The following calendars are supported.
・Chinese (Sexagenary cycle)
・Ethiopic (Amete Alem)
・Indian National
・Islamic (Astronomical)
・Islamic (Tabular, Friday origin)
・Islamic (Tabular, Thursday origin)
・Islamic (Umm al-Qura)
・Republic of China

What’s New

Version 2.51

・Optimized for the next macOS that supports the new Japanese era 'Reiwa'(令和)
・Fixed some bugs

App Privacy

The developer, Tranquillity Base, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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