HOLY DAYS OF OBLIGATION
On holy days of obligation, Catholics are obliged to participate in Mass. Every Sunday is a holy day of obligation, as are four other days throughout the year. In Malaysia, these holy days of obligation (with anticipated Mass on the previous evening) are:
All Sundays of the Year
Ascension Thursday (40 days after Easter Sunday)
Assumption of Our Lady August 15
All Saints Day November 1
Christmas Day December 25