As I have already shown is that Jesus makes it clear that the resurrection occurs on the ‘last day’ and the WTS makes clear that the 'last day' coincides with the 1,000-year reign. But also, Paul and the WTS make clear that the resurrection occurs at the sounding of the ‘last trumpet’. So since the 1,000 year reign has not began yet (begins at Jesus’ Matt 24:30 arrival) then that means that the resurrection has not begun yet and means the ‘last trumpet has not sounded yet, which in turn means that Rev 11:15 has not been fulfilled yet because the ‘last trumpet’ is the ‘7th trumpet'.
[John 6:39 This is the will of him who sent me, that I should lose none out of all those whom he has given me, but that I should resurrect them on the last day.]
[7-1-98 WT p.21 par.12 - That “last day” coincides with the Thousand Year Reign of Christ. (Revelation 20:6) Imagine the excitement during that “day” when this grand event begins!]
[2-15-86 WT p.19 par.14 - It is understood that anointed Christians sleeping in death are raised at the sounding of “the last trumpet,” which takes place during the “manifestation” of Jesus Christ in Kingdom glory. (1 Corinthians 15:52)]
[1 Corinthians 15:52 in the twinkling of an eye, at the last trumpet. For the trumpet will sound, and the dead will be raised up incorruptible, and we shall be changed.]
[Revelation 11:15 And the seventh angel blew his
trumpet. And loud voices occurred in heaven, saying: “The kingdom of the world has
become the kingdom of our Lord (JEHOVAH) and of his Christ (JESUS)”]