This year Christmas is on a Saturday so there are two back-to-back obligations to attend Mass, one on Christmas and another for Sunday, the feast of the Holy Family.
Here you have Christmas eve and Christmas day Masses and Sunday:
Friday, December 24: 5:00 pm
Saturday, December 25: 9:00 am (English) & 4:00pm
Sunday, December 26: 9:00 am & 12 noon Spanish
To clarify the double obligation please take a look at the following explanation: