Numbers 33:3

They set out from Rameses in the first month , on the fifteenth day of the first month . On the day after the Passover , the people of Israel went out triumphantly in the sight of all the Egyptians ,

The Israelites set out from Rameses on the fifteenth day of the first month, the day after the Passover. They marched out defiantly in full view of all the Egyptians,

And they departed from Rameses in the first month, on the fifteenth day of the first month; on the morrow after the passover the children of Israel went out with an high hand in the sight of all the Egyptians.