During the Pasterka Mass, Polish people sing traditional kolędy,[2] Christmas carols (from the Roman calendae) in the spirit of joy.

[1] Although Pasterka mass is closely associated with the specific time in Christian liturgy, it is not the actual hour of the night that predicates its meaning.

According to Polish ordinance of the Eucharist, the Pasterka is defined only by the type of prayer and biblical texts used during Christmas celebrations.

[7] The exact hour of the birth of Christ is not written in the canonical gospels, which allows for choosing the ideal time for ritual prayer on that occasion.

The Blessing of the Crib can take place before,[6] or after the homilies, when the priests open the Szopka nativity scenes set up by the main altar.