4 Bible Verses about Calendars

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

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

In answer he said: "In the evening you say, 'It will be fine weather, for the sky is red as fire'; and at dawn you say, 'It will storm today, for the sky is red and lowering.' You know how to discern the look of the sky, but the signs of the times you cannot read. A wicked and faithless generation is seeking a sign, but no sign shall be given it but the sign of Jonah." So he left them and went away.

The birth of Jesus Christ took place in this way. After his mother, Mary, had been betrothed to Joseph, before they came together, she was found to be with child by the Holy Spirit.