'Month' in the Bible

Now in the sixth month the angel Gabriel was sent from God unto a city of Galilee, named Nazareth,

And behold, Elisabeth thy kinswoman, she also hath conceived a son in her old age; and this is the sixth month with her that was called barren.

And the four angels were loosed, that had been prepared for the hour and day and month and year, that they should kill the third part of men.

in the midst of the street thereof. And on this side of the river and on that was the tree of life, bearing twelve manner of fruits, yielding its fruit every month: and the leaves of the tree were for the healing of the nations.