The Mass Schedule for Monday, December 9th to honor the feast of the Immaculate Conception is as follows:

6:15 AM Latin (1962 Missal) ​-Feria of Advent
8:00 AM English - Immaculate Conception
7:00 PM Spanish - Immaculate Conception

Monday, December 9, 2024 is not a holy day of obligation in the Archdiocese of Chicago.