There is only one judgment Day and it is when Christ returns.
Look at what Paul says in Acts 17
30 Truly, these times of ignorance God overlooked, but now commands all men everywhere to repent, 31 because He has appointed a day on which He will judge the world in righteousness by the Man whom He has ordained. He has given assurance of this to all by raising Him from the dead.”
Look at what Paul says in 2 Tim 4
KJ21
I charge thee therefore before God and the Lord Jesus Christ, who shall judge the quick and the dead at His appearing and His Kingdom:
ASV
I charge
thee in the sight of God, and of Christ Jesus, who shall judge the living and the dead, and by his appearing and his kingdom:
AMP
I solemnly charge you in the presence of God and of Christ Jesus, who is to judge the living and the dead, and by His appearing and His kingdom:
AMPC
I charge [you] in the presence of God and of Christ Jesus, Who is to judge the living and the dead, and by (in the light of) His coming and His kingdom:
NKJV
I charge
you therefore before God and the Lord Jesus Christ, who will judge the living and the dead at His appearing and His kingdom:
Look at what Jesus says in Matthew 25
The Son of Man Will Judge the Nations
31 “When the Son of Man comes in His glory, and all the [
c]holy angels with Him, then He will sit on the throne of His glory. 32 All the nations will be gathered before Him, and He will separate them one from another, as a shepherd divides
his sheep from the goats. 33 And He will set the sheep on His right hand, but the goats on the left.
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Multiple judgment Days, by multiple divinities, is not scriptural, God the Father judges no one.
I know some teach a split judgement day and separations in time, but it is not in the text anywhere.
Multiple judgment Days separated by 1000 years of time, is a man made doctrine or a doctrine of devils.