Contradiction with Matthew 5:14-16
John 8:20 indicates Jesus spoke in the temple openly without arrest, while Matthew suggests believers should let their light shine before others, possibly implying it wasn't yet Jesus's time to fully reveal himself.
Matthew 5:14-16: Ye are the light of the world. A city that is set on an hill cannot be hid.
Contradiction with John 7:30
John 8:20 states no man laid hands on Jesus because his hour had not yet come, whereas John 7:30 also makes this claim, implicitly contradicting the idea of urgency or imminent danger.
John 7:30: Then they sought to take him: but no man laid hands on him, because his hour was not yet come.