Gabriel. See note on Dan_8:16. This prophecy is not given by a "prophet", but by an angel or hierophant (who shows sacred things) to a prophet. It is therefore a most transcendent prophecy.
about the time, &c. Compare similar important occasions: David (2Sa_24:15, note); Elijah (1Ki_18:29); Ezra (Ezr_9:5).
oblation = gift or donation offering. Hebrew. minchah.App-43.