This Sabbath day—after Good Friday and before Easter—was a day of relative silence. The chief priests and Pharisees place guards at the tomb with Pilate’s permission (Matt. 27:62–66).
Andreas Köstenberger tells us about the burial practice, and Doug Moo gives his perspective on whether 1 Peter 3 is referring to what Jesus was doing between his death and his resurrection.
For more information, see The Final Days of Jesus: The Most Important Week of the Most Important Person Who Ever Lived by Andreas J. Köstenberger and Justin Taylor with Alexander E. Stewart (Wheaton: Crossway, 2014).