Holy Saturday

62 The next day, which followed the preparation day, the chief priests and the Pharisees gathered before Pilate 63 and said, "Sir, we remember that while this deceiver was still alive, He said, 'After three days I will rise again.' 64 Therefore give orders that the tomb be made secure until the third day. Otherwise, His disciples may come, steal Him, and tell the people, 'He has been raised from the dead.' Then the last deception will be worse than the first."

65 "You have a guard [of soldiers]," Pilate told them. "Go and make it as secure as you know how." 66 Then they went and made the tomb secure by sealing the stone and setting the guard.

Matthew 27:62-66 HCSB

Meanwhile...

18 For Christ also suffered for sins once for all,

the righteous for the unrighteous,

that He might bring you to God,

after being put to death in the fleshly realm

but made alive in the spiritual realm.

19 In that state He also went and made a proclamation to the spirits in prison 20 who in the past were disobedient, when God patiently waited in the days of Noah while an ark was being prepared;

1 Peter 3:18-20 HCSB