The story lines of Revelation 12-13; 17:1-19:6; and 19:7-20:6 contain overlapping parallels. The purpose of Revelation 12:7-13 being surrounded by parallel verses being dated as three and one-half years before the second coming is no doubt to communicate to the reader that the war in heaven described in Revelation 12:7-13 has the same terminus a

The books of both Daniel and Revelation describe two end time meetings of the divine council. At the first, the Son of Man receives the kingdom and at the second, the kingdom passes to the saints, his joint heirs. https://www.howthebiblefitstogether.org/files/Rev-4.2-20.6a-2-Divine-Assemblies.pdf

Revelation 4-5 describes a meeting of God's divine council composed of the Godhead and the authority structure of heavenly beings through which God governs the earth. Revelation 4-5 repeats many themes of earlier meetings of the council. https://www.howthebiblefitstogether.org/files/Rev-4-5b-Divine-Council.pdf