15 Bible Verses about Calendars

Now the children of Israel according to their number, the heads of the fathers' houses and captains of thousands and hundreds, and their officers that served the king in any matter of the divisions, who came in and went out month by month throughout all the months of the year, of every division were twenty and four thousand.

He appointed the moon for seasons: the sun knows its going down.

And God said, Let there be lights in the firmament of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days, and years:

In the six hundredth year of Noah's life, in the second month, the seventeenth day of the month, the same day were all the fountains of the great deep broken up, and the windows of heaven were opened.

And the ark rested in the seventh month, on the seventeenth day of the month, upon the mountains of Ararat.

This month shall be unto you the beginning of months: it shall be the first month of the year to you.

On the first day of the first month shall you set up the tabernacle of the tent of the congregation.

And God called the light Day, and the darkness he called Night. And the evening and the morning were the first day.

And it came to pass in the four hundred and eightieth year after the children of Israel were come out of the land of Egypt, in the fourth year of Solomon's reign over Israel, in the month Ziv, which is the second month, that he began to build the house of the LORD.

To every thing there is a season, and a time to every purpose under the heaven:

But of that day and hour knows no man, no, not the angels of heaven, but my Father only.

Seventy weeks are determined upon your people and upon your holy city, to finish the transgression, and to make an end of sins, and to make reconciliation for iniquity, and to bring in everlasting righteousness, and to seal up the vision and prophecy, and to anoint the most Holy. Know therefore and understand, that from the going forth of the commandment to restore and to build Jerusalem unto the Messiah, the Prince, shall be seven weeks, and threescore and two weeks: the street shall be built again, and the wall, even in troublesome times. And after threescore and two weeks shall Messiah be cut off, but not for himself: and the people of the prince that shall come shall destroy the city and the sanctuary; and its end shall be with a flood, and unto the end of the war desolations are determined.read more.
And he shall confirm the covenant with many for one week: and in the midst of the week he shall cause the sacrifice and the offering to cease, and for the overspreading of abominations he shall make it desolate, even until the consummation, and that determined shall be poured upon the desolate.

But when the fullness of the time came, God sent forth his Son, made of a woman, made under the law,

He answered and said unto them, When it is evening, you say, It will be fair weather: for the sky is red. And in the morning, It will be foul weather today: for the sky is red and overcast. O you hypocrites, you can discern the appearance of the sky; but can you not discern the signs of the times? A wicked and adulterous generation seeks after a sign; and there shall no sign be given unto it, but the sign of the prophet Jonah. And he left them, and departed.

Now the birth of Jesus Christ happened this way: When his mother Mary was espoused to Joseph, before they came together, she was found to be with child of the Holy Spirit.