Numbers 33:3
3On the fifteenth day of the first month, on the day after the Passover, [the Israelites] set out from Rameses. [They] marched out defiantly in full view of all the Egyptians,
3On the fifteenth day of the first month, on the day after the Passover, [the Israelites] set out from Rameses. [They] marched out defiantly in full view of all the Egyptians,