'Fifteenth' in the Bible
And they went on their way from Elim, and all the children of Israel came into the waste land of Sin, which is between Elim and Sinai, on the fifteenth day of the second month after they went out of the land of Egypt.
And on the fifteenth day of the same month is the feast of unleavened bread; for seven days let your food be unleavened bread.
Say to the children of Israel, On the fifteenth day of this seventh month let the feast of tents be kept to the Lord for seven days.
But on the fifteenth day of the seventh month, when you have got in all the fruits of the land, you will keep the feast of the Lord for seven days: the first day will be a Sabbath, and the eighth day the same.
On the fifteenth day of this month there is to be a feast; for seven days let your food be unleavened cakes.
And on the fifteenth day of the seventh month let there be a holy meeting; do no field-work, and keep a feast to the Lord for seven days;
On the fifteenth day of the first month they went out from Rameses; on the day after the Passover the children of Israel went out by the power of the Lord before the eyes of all the Egyptians,
And Jeroboam gave orders for a feast in the eighth month, on the fifteenth day of the month, like the feast which is kept in Judah, and he went up to the altar. And in the same way, in Beth-el, he gave offerings to the oxen which he had made, placing in Beth-el the priests of the high places he had made.
He went up to the altar he had made in Beth-el on the fifteenth day of the eighth month, the month fixed by him at his pleasure; and he gave orders for a feast for the people of Israel, and went up to the altar, and there he made the smoke of his offerings go up.
In the fifteenth year of the rule of Amaziah, son of Joash, king of Judah, Jeroboam, the son of Joash, king of Israel, became king in Samaria, ruling for forty-one years.
The fifteenth Jeremoth, with his sons and his brothers, twelve;
So they came together at Jerusalem in the third month, in the fifteenth year of the rule of Asa.
But the Jews in Shushan came together on the thirteenth and on the fourteenth day of the month; and on the fifteenth day they took their rest, and made it a day of feasting and joy.
Ordering them to keep the fourteenth day of the month Adar and the fifteenth day of the same month, every year,
And in the twelfth year, on the fifteenth day 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 is to give the same for seven days; the sin-offering, the burned offering, the meal offering, and the oil as before.
Now in the fifteenth year of the rule of Tiberius Caesar, Pontius Pilate being ruler of Judaea, and Herod being king of Galilee, his brother Philip king of the country of Ituraea and Trachonitis, and Lysanias king of Abilene,