4 Bible Verses about Calendars

"But of that day and hour no one knows, not even the angels of heaven, nor the Son, but the Father only.

But when the time had fully come, God sent forth his Son, born of a woman, born under the law,

He answered them, "When it is evening, you say, 'It will be fair weather; for the sky is red.' And in the morning, 'It will be stormy today, for the sky is red and threatening.' You know how to interpret the appearance of the sky, but you cannot interpret the signs of the times. A wicked and adulterous generation seeks for a sign, but no sign shall be given to it except the sign of Jonah." So he left them and departed.

Now the birth of Jesus Christ took place in this way: when his mother Mary was betrothed to Joseph, before they came together, she was found to be with child of the Holy Spirit.