Thursday, May 10, is the Solemnity of the Ascension of the Lord. This is one of the great solemnities in the Christian liturgical calendar, and commemorates the bodily ascension of Jesus into heaven. Ascension Day is traditionally celebrated on a Thursday, the fortieth day of Easter. It is a holy day of obligation. Masses will be celebrated on Wednesday, May 9 at 4:15 PM and on Thursday, May 10, at 7 AM, 11:15 AM and 7 PM.