Welcome to the latest release of HistoryCal, an ambitious multi-platform historical date and calendar calculator.

For more details and links to a compiled version for Windows (10 and 11) and the source code, please visit the website at https://historycal.org

In previous versions, the source code had been compiled on gnu/linux Ubuntu (Mint) and OS X (Yosemite). See the file build/build.txt for details. Version v0.1.0 has changed to a CMake build and has been tested on Windows only.