4 Bible Verses about Calendars

But of that day and hour no man knoweth, not even the angels of heaven, but my Father alone.

but when the fulness of time was come, God sent forth his Son born of a woman, born under the law,

And he answering, said unto them, When evening comes, ye say, Fair weather, for the sky is red. And in the morning, It will be tempestuous to-day, for the sky is gloomy and fiery red. Ye hypocrites, do ye know how to discern the appearance of the sky, and are ye unable to discern the signs of the times? A wicked and adulterous generation seeketh a sign; and no sign shall be given to it, but the sign of the prophet Jonah. And he left them, and departed.

Now the generation of Jesus Christ was attended with these circumstances: His mother Mary being betrothed to Joseph, before they cohabited together, she was found with child from the Holy Spirit.