Calendar Arithmetic Data Repository

This repository contains valid conversion between various calendar systems and the Gregorian calendar at known times. The conversions is based on actual historical data. This repository is intended to

Data Format

Current version of repository format is 0.1.0. The data is provided in CSV format in 6 columns. End of line is Unix-style (\n). In the upcoming versions, more details like Julian Day Number and leap year status will be added.

<gregorian_year>;<gregorian_month>;<gregorian_day>;<calendar_year>;<calendar_month>;<calendar_day>

Supported Calendars

Currently conversions between the Solar Hijri and the Gregorian calendar between 1799-03-21 and 2100-03-21 is supported.