Verse 63 was the verse that finally convinced me that Jesus is risen. The honesty in recording what the chief priests and Pharisees said suddenly convinced me that the resurrection is true. They too wanted to make sure Jesus was dead for good, and by sealing the grave they wanted to be absolutely sure Jesus would cause no more trouble for them. God works in wonderful ways.
Most Bible translations translate “οψε δε σαββατων” (opse de sabbaton) as after the sabbath, at dawn on Sunday, but the word sabbaton is plural, so the best translation in my opinion is “after the sabbaths”, since A.D. 30 had two sabbaths in a row.
As it is said in Matthew 18: