Parallel
Numbers 33:3
Brenton's English Septuagint · Berean Standard Bible
They departed from Ramesses in the first month, on the fifteenth day of the first month; on the day after the passover the children of Israel went forth with a high hand before all the Egyptians.
On 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,