Corpus Christi
What it commemorates
Corpus Christi solemnly commemorates the institution of the Holy Eucharist.
Place in the liturgical year
It is kept on the Thursday after Trinity Sunday.
In the 1962 Latin Mass Calendar
In the 1962 calendar it is kept as a day of the first class: In Festo Ssmi Corporis Christi.
Modern Roman Calendar
The Modern Roman Calendar ranks it as a celebration with precedence over solemnities; its ranks differ from the four classes of 1962.