Rameses] A Province or Countrey in the Land of Egypt; Genesis 47:11. there was a Citie of that name in the utmost parts of Egypt, built by the Israelites during their servitude, and this was the place here spoken of.
first moneth] Answering to part of March, and part of April.
the morrow after] That is, after the killing of the Paschall Lambe.