One of the most exciting holy days has the answer. It’s call Days of Unleavened Bread and there was a ceremony to be performed on the morning after the Sabbath following the Passover. A hand full of grain to be waved before the Lord to be accepted in place of the rest of the harvest. Jesus, the first of the first-fruits had to wait for the exact time as foretold in the holy days to ascend to the Father. That’s why he said not to touch him for he hadn’t done so though the grave was empty since before daylight.