For Christians Holy Week marks the last days leading up to the crucifixion and resurrection of Jesus Christ. The start of Holy Week is Palm Sunday which marks when Jesus arrived in this holy city. Holy Wednesday is sometimes called "Spy Wednesday." The fifth day of Holy Week is Maundy Thursday, which marks the day of this great feast. The crucifixion of Jesus is commemorated on this day. The final day of Holy Week falls on Easter Sunday and celebrates Jesus' resurrection.