Contradiction with Matthew 24:36
Contradicts the knowledge of salvation timing; Isaiah 25:9 indicates anticipation and knowledge of salvation's day.
Matthew 24:36: But of that day and hour knoweth no [man], no, not the angels of heaven, but my Father only.
Contradiction with 1 Thessalonians 5:2
Contradicts the expectation of deliverance, suggesting it comes unexpectedly like a thief in the night.
1 Thessalonians 5:2: For yourselves know perfectly that the day of the Lord so cometh as a thief in the night.
Contradiction with 1 Corinthians 15:52
Contrasts with anticipated waiting, describing salvation coming suddenly in the twinkling of an eye.
1 Corinthians 15:52: In a moment, in the twinkling of an eye, at the last trump: for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed.
Contradiction with 2 Peter 3:10
Contradicts with the pronouncement of knowing salvation time, for the day of the Lord comes as a thief.
2 Peter 3:10: But the day of the Lord will come as a thief in the night; in the which the heavens shall pass away with a great noise, and the elements shall melt with fervent heat, the earth also and the works that are therein shall be burned up.
Contradiction with Mark 13:32
Challenges the certainty implied in Isaiah 25:9 about salvation, as no one but God knows the timing.
Mark 13:32: But of that day and [that] hour knoweth no man, no, not the angels which are in heaven, neither the Son, but the Father.