'Fifteenth' in the Bible
Then they set out from Elim, and all the congregation of the sons of Israel came to the wilderness of Sin, which is between Elim and Sinai, on the fifteenth day of the second month after their departure from the land of Egypt.
Then on the fifteenth day of the same month there is the Feast of Unleavened Bread to the Lord; for seven days you shall eat unleavened bread.
“Speak to the sons of Israel, saying, ‘On the fifteenth of this seventh month is the Feast of Booths for seven days to the Lord.
‘On exactly the fifteenth day of the seventh month, when you have gathered in the crops of the land, you shall celebrate the feast of the Lord for seven days, with a rest on the first day and a rest on the eighth day.
On the fifteenth day of this month shall be a feast, unleavened bread shall be eaten for seven days.
‘Then on the fifteenth day of the seventh month you shall have a holy convocation; you shall do no laborious work, and you shall observe a feast to the Lord for seven days.
They journeyed from Rameses in the first month, on the fifteenth day of the first month; on the next day after the Passover the sons of Israel started out boldly in the sight of all the Egyptians,
Jeroboam instituted a feast in the eighth month on the fifteenth day of the month, like the feast which is in Judah, and he went up to the altar; thus he did in Bethel, sacrificing to the calves which he had made. And he stationed in Bethel the priests of the high places which he had made.
Then he went up to the altar which he had made in Bethel on the fifteenth day in the eighth month, even in the month which he had devised in his own heart; and he instituted a feast for the sons of Israel and went up to the altar to burn incense.
In the fifteenth year of Amaziah the son of Joash king of Judah, Jeroboam the son of Joash king of Israel became king in Samaria, and reigned forty-one years.
for the fifteenth to Jeremoth, his sons and his relatives, twelve;
So they assembled at Jerusalem in the third month of the fifteenth year of Asa’s reign.
But the Jews who were in Susa assembled on the thirteenth and the fourteenth of the same month, and they rested on the fifteenth day and made it a day of feasting and rejoicing.
obliging them to celebrate the fourteenth day of the month Adar, and the fifteenth day of the same month, annually,
In the twelfth year, on the fifteenth of the month, the word of the Lord came to me saying,
In the seventh month, on the fifteenth day of the month, at the feast, he shall provide like this, seven days for the sin offering, the burnt offering, the grain offering and the oil.”