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.
If you died today, are you absolutely certain that you would go to heaven? You can be! TRUST JESUS NOW