The only sign, MATT 12-40 "For as Jo-nas was three days and three nights in the whale's belly; so shall the son of man be three days and three nights in the heart of the earth." [72 hours]
The only sign given to this evil generation of his messiah ship, was the sign of Jonas. Jesus as Jonas, 3 days and 3 nights, to be in the heart of the earth. [DEAD] Jesus, with his 12 disciples were celebrating PASSOVER Tuesday evening AD 30.
Jesus, was taken to Pilate Wednesday morning before the feast day of Unleavened bread a Holy Sabbath feast day, which started at sunset. Jesus was ordered crucified after a fast trial. Jesus died before sunset and was buried in hast before the feast of unleavened bread.
Jesus was buried by Joseph in a new tomb. This gave Jesus the 3 days and the 3 nights as Jesus said would be the sign. This allowed for the resurrection to take place after the Bible Sabbath Saturday. Sunday the first day of the week.