How do we know that Jesus' death was a fulfillment of prophecy?

The crucifixion of Christ was a fulfillment of prophecy as outlined in various Scriptures, including those found in Daniel 9:24 and Amos 8:9. Daniel prophesied that the Messiah would come to finish transgression and make reconciliation for iniquity. This is precisely what Jesus accomplished through His sacrificial death. Furthermore, Amos’ prophecy regarding the sun darkening corresponds to the darkness that occurred during Christ’s crucifixion, signaling God's judgment upon sin. These fulfillments highlight that all events surrounding Christ's death were predetermined by God as part of His redemptive plan.