'Sixth' in the Bible

Now in the sixth month [of Elizabeth’s pregnancy] the angel Gabriel was sent from God to a city in Galilee called Nazareth,

And listen, even your relative Elizabeth has also conceived a son in her old age; and she who was called barren is now in her sixth month.

It was now about the sixth hour (noon), and darkness came over the whole land until the ninth hour (3:00 p.m.),