NET
21 yes, while I was still praying, the man Gabriel, whom I had seen previously in a vision, was approaching me in my state of extreme weariness, around the time of the evening offering.
Darby
21 whilst I was yet speaking in prayer, the man Gabriel, whom I had seen in the vision at the beginning, flying swiftly, touched me about the time of the evening oblation.
KJV
21 Yea, whiles I [was] speaking in prayer, even the man Gabriel, whom I had seen in the vision at the beginning, being caused to fly swiftly, touched me about the time of the evening oblation.