Contradiction with 1 Samuel 2:6
God actively brings death and gives life, not timing being set for these events.
1 Samuel 2:6: The LORD killeth, and maketh alive: he bringeth down to the grave, and bringeth up.
Contradiction with Isaiah 38:5
God extends Hezekiah's life, implying life span isn't fixed.
Isaiah 38:5: Go, and say to Hezekiah, Thus saith the LORD, the God of David thy father, I have heard thy prayer, I have seen thy tears: behold, I will add unto thy days fifteen years.
Contradiction with Philippians 1:23-24
Paul's desire to depart and be with Christ implies a choice rather than set time.
Philippians 1:23-24: For I am in a strait betwixt two, having a desire to depart, and to be with Christ; which is far better:
Contradiction with Matthew 24:36
Unpredictability of end times implies uncertainty in life's timeline outside of God's control.
Matthew 24:36: But of that day and hour knoweth no [man], no, not the angels of heaven, but my Father only.
Contradiction with Jonah 3:10
God changes His mind about the destruction of Nineveh, implying timing can change with repentance.
Jonah 3:10: And God saw their works, that they turned from their evil way; and God repented of the evil, that he had said that he would do unto them; and he did [it] not.