The Revised Common Lectionary passages for the Lord’s Day are:

First Reading: Acts 1:6-14
Psalm 68:1-10, 32-35
Second Reading: I Peter 4:12-14, 5:6-11
Gospel Reading: John 17:1-11
The text for the Feast of the Ascension (Thursday, May 21) are:
First Reading: Acts 1:1-11
Psalm 47:1-9 or 93:1-5
Second Reading: Ephesians 1:15-23
Gospel Reading: Luke 24:44-53

First Reading: Acts 17:22-31
Psalm 66:8-20
Second Reading: I Peter 3:13-22
Gospel Reading: John 14:15-21

First Reading: Acts 7:55-60
Psalm 31:1-5, 15-16
Second Reading: I Peter 2:2-10
Gospel Reading: John 14:1-14