'Months' in the Bible

And she said to her father, “Let this one thing be done for me; let me alone for two months, so that I may go to the mountains and weep over my virginity, I and my companions.”

And he said, “Go.” So he sent her away for two months; and she left with her companions, and wept over her virginity on the mountains.

At the end of two months she returned to her father, who did to her as he had vowed; and she had no relations with a man. It became a custom in Israel,

But his concubine was unfaithful to him, and left him and went to her father’s house in Bethlehem of Judah, and stayed there for a period of four months.

But six hundred men turned and fled toward the wilderness to the rock of Rimmon and stayed at the rock of Rimmon for four months.