'Forty Days' in the Bible

there having fasted forty days and forty nights, he at length grew hungry.

where he continued forty days, being tempted by Satan: and when he was among the wild beasts, angels ministred unto him.

being forty days tempted by the devil, without eating any thing all that while: but that time expired, he at last was seiz'd with hunger.

to whom also he shewed himself alive after his passion, of which they had many proofs, during the forty days he appear'd to them, and inform'd them about the reign of the Messias: