Mac App Store

Mac App Store is the simplest way to find and download apps for your Mac.

To download Calendar Converter from the Mac App Store, you need a Mac with OS X 10.6.6 or later. Learn More.

Calendar Converter

By Tranquillity Base

Open the Mac App Store to buy and download apps.


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.
・Ethiopic, Amete Alem
・Indian National
・Islamic, Civil
・Republic of China

What's New in Version 2.2

・Optimized for macOS 10.12


Screenshot 1
Screenshot 2
Screenshot 3
Calendar Converter
View in Mac App Store
  • Free
  • Category: Utilities
  • Updated:
  • Version: 2.2
  • Size: 1.1 MB
  • Languages: English, Japanese
  • Seller:

Compatibility: OS X 10.10 or later, 64-bit processor

Customer Ratings

This application hasn’t received enough ratings to display a summary.