Feast Day of The Assumption of the Blessed Virgin Mary. 2008 by Stephen B. Whatley. https://www.stephenbwhatley.com/
This year, the Solemnity of the Assumption takes the place of the 20th Sunday in Ordinary Time.
The Church gives us two sets of readings: one for the Vigil Mass and one for the Mass during the Day.
Accordingly, here is an outline that pertains to the Vigil Mass.
Here is a link that pertains to the Mass during the Day.