Calendar Converter
Current Version 2.53
What is Calendar Converter
Calendar Converter is a simple app that uses macOS’s built-in capabilities to convert dates between different calendar systems, such as from the Gregorian calendar to the Japanese era calendar.
The following calendars are supported:
- Gregorian
- Buddhist
- Chinese (Sexagenary cycle)
- Coptic
- Ethiopic
- Ethiopic (Amete Alem)
- Hebrew
- Indian National
- Islamic (Astronomical)
- Islamic (Tabular, Friday origin)
- Islamic (Tabular, Thursday origin)
- Islamic (Umm al-Qura)
- Japanese
- Persian
- Republic of China
System Requirements
- macOS 26 or later
Version History
- 2.53 : 2025-12-04
- Internal code improvements
- User interface tweaks
- Fixed some bugs
- 2.52 : 2023-03-31
- Internal code improvements
- 2.51 : 2019-04-11
- Optimized for the next macOS that supports the new Japanese era 'Reiwa'（令和）
- Fixed some bugs
- 2.5 : 2019-04-03
- Added support for new Japanese era 'Reiwa'（令和）
- 2.4 : 2018-11-16
- Optimized for macOS 10.14 Mojave
- Added support for dark mode in Mojave
- 2.3 : 2018-01-14
- Added Chinese Calendar (Sexagenary cycle)
- UI improvements
- Fixed minor bugs
- 2.2 : 2016-10-25
- Optimized for macOS 10.12
- 2.1 : 2013-12-06
- UI improvements
- 2.0.0 : 2012-10-16
- Upgrading to Mountain Lion
- 1.0.0 : 2009-09-24
- Released