'Feast day' in the Bible

Ask your servants and they will tell you! Let the young men find favor in your eyes because we have come on a feast day. Please give {whatever you have on hand} for your servants and for your son David."

Then Josiah, turning round, saw on the mountain the places of the dead, and he sent and had the bones taken out of their places and burned on the altar, so making it unclean, as the Lord had said by the man of God when Jeroboam was in his place by the altar on that feast-day. And he, turning his eyes to the resting-place of the man of God who had given word of these things, said:

Blow the trumpet at the new moon, At the full moon, on our feast-day.

The feast-day dresses, and the robes, and the wide skirts, and the handbags,

(Zayin) The Lord rejected his altar and abhorred his temple. He handed over to the enemy her palace walls; the enemy shouted in the Lord's temple as if it were a feast day.

You have summoned my horror from all around, as if for a feast day; no one on the day of Yahweh's anger [is] a fugitive and a survivor; whoever I have cared for and reared, my enemy has destroyed.

But they said, Not on the feast-day, lest there be an uproar among the people.

But they said, "Not in the feast day, lest any business arise among the people."

Now when he was in Jerusalem at the passover, in the feast day, many believed in his name, when they saw the miracles which he performed.

Then as soon as he was come into Galilee, the Galileans received him, which had seen all the things that he did at Jerusalem at the feast. For they went also unto the feast day.

Therefore let no one judge you in regard to food and drink or in regard to [the observance of] a festival or a new moon or a Sabbath day.