'Month' in the Bible

In the sixth month of Elizabeth's pregnancy, the angel Gabriel was sent by God to a town of Galilee called Nazareth,

"And look, your relative Elizabeth has also become pregnant with a son in her old age -- although she was called barren, she is now in her sixth month!

Then the four angels who had been prepared for this hour, day, month, and year were set free to kill a third of humanity.

flowing down the middle of the city's main street. On each side of the river is the tree of life producing twelve kinds of fruit, yielding its fruit every month of the year. Its leaves are for the healing of the nations.