ISB ~ Revelation 1 v10

in the Spirit:John is seized by the Spirit while engaged in prayer and worship (see Jn 4:23-24). He is carried off into heaven (Rev 4:2), into the wilderness (17:3), and then to the summit of a high mountain (21:10).

• Ezekiel was similarly transported to various locations by the Spirit (Ezek 2:2; 3:14; 11:1; 40:2). the Lord’s day: Sunday, the first day of the week, when Christians gather for liturgy (Acts 20:7) to commemorate the Resurrection of Jesus (Lk 24:1-7) (CCC 1166-67).