'Months' in the Bible

They were not permitted to kill them but were to torment them for five months; their torment is like the torment caused by a scorpion when it strikes a man.

and they had tails with stingers like scorpions, so that with their tails they had the power to harm people for five months.

But exclude the courtyard outside the sanctuary. Don’t measure it, because it is given to the nations, and they will trample the holy city for 42 months.

A mouth was given to him to speak boasts and blasphemies. He was also given authority to act for 42 months.