Luke 1:56 ἔμεινεν δὲ Μαριὰμ σὺν αὐτῇ ὡς μῆνας τρεῖς καὶ ὑπέστρεψεν εἰς τὸν οἶκον αὐτῆς.
Mary stayed with her about three months, and then returned to her house.
Noun: Accusative Plural Masculine

Luke 4:25 ἐπ' ἀληθείας δὲ λέγω ὑμῖν, πολλαὶ χῆραι ἦσαν ἐν ταῖς ἡμέραις Ἠλίου ἐν τῷ Ἰσραήλ, ὅτε ἐκλείσθη ὁ οὐρανὸς [ἐπὶ] ετη τρία καὶ μῆνας ἕξ, ὡς ἐγένετο λιμὸς μέγας ἐπὶ πᾶσαν τὴν γῆν,
But truly I tell you, there were many widows in Israel in the days of Elijah, when the sky was shut up three years and six months, when a great famine came over all the land.
Noun: Accusative Plural Masculine

Acts 7:20 ἐν ᾧ καιρῷ ἐγεννήθη Μωϋσῆς καὶ ἦν ἀστεῖος τῷ θεῷ· ὃς ἀνετράφη μῆνας τρεῖς ἐν τῷ οἴκῳ τοῦ πατρός,
At that time Moses was born, and was exceedingly handsome. He was nourished three months in his father's house.
Noun: Accusative Plural Masculine

Acts 18:11 ἐκάθισεν δὲ ἐνιαυτὸν καὶ μῆνας ἓξ διδάσκων ἐν αὐτοῖς τὸν λόγον τοῦ θεοῦ.
He lived there a year and six months, teaching the word of God among them.
Noun: Accusative Plural Masculine

Acts 19:8 Εἰσελθὼν δὲ εἰς τὴν συναγωγὴν ἐπαρρησιάζετο ἐπὶ μῆνας τρεῖς διαλεγόμενος καὶ πείθων [τὰ] περὶ τῆς βασιλείας τοῦ θεοῦ.
He entered into the synagogue, and spoke boldly for a period of three months, reasoning and persuading about the things concerning the Kingdom of God.
Noun: Accusative Plural Masculine

Acts 20:3 ποιήσας τε μῆνας τρεῖς· γενομένης ἐπιβουλῆς αὐτῷ ὑπὸ τῶν Ἰουδαίων μέλλοντι ἀνάγεσθαι εἰς τὴν Συρίαν, ἐγένετο γνώμης τοῦ ὑποστρέφειν διὰ Μακεδονίας.
When he had spent three months there, and a plot was made against him by Jews as he was about to set sail for Syria, he determined to return through Macedonia.
Noun: Accusative Plural Masculine

Acts 28:11 Μετὰ δὲ τρεῖς μῆνας ἀνήχθημεν ἐν πλοίῳ παρακεχειμακότι ἐν τῇ νήσῳ Ἀλεξανδρίνῳ παρασήμῳ Διοσκούροις.
After three months, we set sail in a ship of Alexandria which had wintered in the island, whose sign was "The Twin Brothers."
Noun: Accusative Plural Masculine

Galatians 4:10 ἡμέρας παρατηρεῖσθε καὶ μῆνας καὶ καιροὺς καὶ ἐνιαυτούς,
You observe days, months, seasons, and years.
Noun: Accusative Plural Masculine

James 5:17 Ἠλίας ἄνθρωπος ἦν ὁμοιοπαθὴς ἡμῖν, καὶ προσευχῇ προσηύξατο τοῦ μὴ βρέξαι, καὶ οὐκ ἔβρεξεν ἐπὶ τῆς γῆς ἐνιαυτοὺς τρεῖς καὶ μῆνας ἕξ·
Elijah was a man with a nature like ours, and he prayed earnestly that it might not rain, and it didn't rain on the earth for three years and six months.
Noun: Accusative Plural Masculine

Revelation 9:5 καὶ ἐδόθη αὐταῖς / αὐτοῖς ἵνα μὴ ἀποκτείνωσιν αὐτούς, ἀλλ' ἵνα βασανισθήσονται μῆνας πέντε, καὶ ὁ βασανισμὸς αὐτῶν ὡς βασανισμὸς σκορπίου ὅταν παίσῃ ἄνθρωπον.
They were given power not to kill them, but to torment them for five months. Their torment was like the torment of a scorpion, when it strikes a person.
Noun: Accusative Plural Masculine

Revelation 9:10 καὶ ἔχουσιν οὐρὰς ὁμοίας σκορπίοις καὶ κέντρα, καὶ ἐν ταῖς οὐραῖς αὐτῶν ἡ ἐξουσία αὐτῶν ἀδικῆσαι τοὺς ἀνθρώπους μῆνας πέντε,
They have tails like those of scorpions, and stings. In their tails they have power to harm men for five months.
Noun: Accusative Plural Masculine

Revelation 11:2 καὶ τὴν αὐλὴν τὴν ἔξωθεν τοῦ ναοῦ ἔκβαλε ἔξωθεν καὶ μὴ αὐτὴν μετρήσῃς, ὅτι ἐδόθη τοῖς ἔθνεσιν καὶ τὴν πόλιν τὴν ἁγίαν πατήσουσιν μῆνας τεσσεράκοντα καὶ δύο.
Leave out the court which is outside of the temple, and don't measure it, for it has been given to the nations. They will tread the holy city under foot for forty-two months.
Noun: Accusative Plural Masculine

Revelation 13:5 Καὶ ἐδόθη αὐτῷ στόμα λαλοῦν μεγάλα καὶ βλασφημίας καὶ ἐδόθη αὐτῷ ἐξουσία ποιῆσαι μῆνας τεσσεράκοντα καὶ δύο.
A mouth speaking great things and blasphemy was given to him. Authority to make war for forty-two months was given to him.
Noun: Accusative Plural Masculine