'Months' in the Bible

At this time Moses was born, and he was beautiful in God’s sight. He was cared for in his father’s home three months,

And he stayed there a year and six months, teaching the word of God among them.

Then he entered the synagogue and spoke boldly over a period of three months, engaging in discussion and trying to persuade them about the things of the kingdom of God.

and stayed three months. When he was about to set sail for Syria, a plot was devised against him by the Jews, so a decision was made to go back through Macedonia.

After three months we set sail in an Alexandrian ship that had wintered at the island, with the Twin Brothers as its figurehead.