Parallel
Exodus 13:4
Rahlfs Septuagint (1935) · Berean Standard Bible
ἐν γὰρ τῇ σήμερον ὑμεῖς ἐκπορεύεσθε ἐν μηνὶ τῶν νέων
Today, in the month of Abib (note: Abib was the first month of the ancient Hebrew lunar calendar, usually occurring within the months of March and April.), you are leaving.