A PHP script / API endpoint that will generate the Roman Catholic liturgical calendar for any given year, calculating the mobile festivities and the precedence of solemnities, feasts, memorials ...

There is a common structure for every Mass and a Roman Catholic priest must always lead it. The services may vary depending on the Church calendar but the basic order remains the same. God has ...

Browse Roman Catholic liturgical calendar through a web interface or obtain it's data in JSON format through an API. Powered by calendarium-romanum and grape. The application works as is, you only ...