No changing of the living in Christ in those verses. i.e. not referring to the rapture/resurrection event.The Bible teaches the resurrection of all takes place on "The Last Day" at the second coming of Jesus Christ
John 5:28-29KJV
28 Marvel not at this: for the hour is coming, in the which all that are in the graves shall hear his voice,
29 And shall come forth; they that have done good, unto the resurrection of life; and they that have done evil, unto the resurrection of damnation.
John 6:39-40KJV
39 And this is the Father's will which hath sent me, that of all which he hath given me I should lose nothing, but should raise it up again at the last day.
40 And this is the will of him that sent me, that every one which seeth the Son, and believeth on him, may have everlasting life: and I will raise him up at the last day.
Those verses are referring to Revelation 20:12-15.
12 And I saw the dead, small and great, stand before God; and the books were opened: and another book was opened, which is the book of life: and the dead were judged out of those things which were written in the books, according to their works.
13 And the sea gave up the dead which were in it; and death and hell delivered up the dead which were in them: and they were judged every man according to their works.
14 And death and hell were cast into the lake of fire. This is the second death.
15 And whosoever was not found written in the book of life was cast into the lake of fire.
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There are three mass resurrections forthcoming.
1. the rapture/resurrection event - before the beginning of the day of Christ, in 2Thessalonians2:1-4.
2. the resurrection of the great tribulation martyrs - in Revelation 20:4-6 at the beginning of the millennium.
3. the resurrection for the Great White Throne judgment - in Revelation 20:12-16 after the millennium is over.