And after six days Jesus told him what to do, and in the evening the youth comes to him, wearing a linen cloth over his naked body. And he remained with him that night, for Jesus taught him the mystery of the Kingdom of God. And thence, arising, he returned to the other side of the Jordan." (to Theod 3.10,11)
Interestingly Jewish and Samaritan tradition agree that 10 Nisan was the day the ancient Israelites crossed the Jordan and entered the Promised Land:
On the tenth day of the first month the people went up from the Jordan and camped at Gilgal on the eastern border of Jericho (Josh 4:9)
Got to put the kids to bed, but think about that for a while ...