Here is a list that mentions three days throughout the entire scriptures. It is a significant period. You can hover over the scriptures to read the text:
Gen 40:18 And Joseph answered and said, “This is its interpretation: the three baskets are three days.
Matt 12:40 For just as Jonah was three days and three nights in the belly of the great fish, so will the Son of Man be three days and three nights in the heart of the earth.
Gen 40:19 In three days, Pharaoh will lift up your head—from you!—and hang you on a tree. And the birds will eat the flesh from you.”
Gen 30:36 And he set a distance of three days’ journey between himself and Jacob, and Jacob pastured the rest of Laban’s flock.
2 Sam 20:4 Then the king said to Amasa, “Call the men of Judah together to me within three days and be here yourself.”
Luke 2:46 After three days, they found him in the temple, sitting among the teachers, listening to them, and asking them questions.
Matt 26:61 and said, “This man said, ‘I am able to destroy the temple of God, and to rebuild it in three days.’ ”
Mark 15:29 And those who passed by derided him, wagging their heads and saying, “Aha! You who would destroy the temple and rebuild it in three days,
Ezra 10:8 and that if anyone did not come within three days, by order of the officials and the elders, all his property should be forfeited, and he himself banned from the congregation of the exiles.
Matt 12:39 But he answered them, “An evil and adulterous generation seeks for a sign, but no sign will be given to it except the sign of the prophet Jonah.
Mark 9:31 f or he was teaching his disciples, saying to them, “The Son of Man is going to be delivered into the hands of men, and they will kill him. And when he is killed, after three days he will rise.”
Jonah 1:17 And the Lord appointed a great fish to swallow up Jonah. And Jonah was in the belly of the fish three days and three nights.
Acts 25:1 Now, three days after Festus had arrived in the province, he went up to Jerusalem from Caesarea.
1 Kings 12:5 He said to them, “Go away for three days, then come again to me.” So the people went away.
Num 10:33 So they set out from the mount of the Lord three days’ journey. And the ark of the covenant of the Lord went before them three days’ journey, to seek out a resting place for them.
Mark 8:2: “I have compassion on the crowd, because they have been with me now three days and have nothing to eat.
1 Chron 12:39 And they were there with David for three days, eating and drinking, for their brothers had made preparation for them.
2 Sam 24:13 So Gad came to David and told him, and said to him, “Shall three years of famine come to you in your land? Or will you flee three months before your foes while they pursue you? Or shall there be three days’ pestilence in your land? Now consider, and decide what answer I shall return to him who sent me.”
Exod 10:22: So Moses stretched out his hand toward heaven, and there was pitch darkness in all the land of Egypt for three days.
Mark 14:58: “We heard him say, ‘I will destroy this temple that is made with hands, and in three days I will build another, not made with hands.’ ”
1 Chron 21:12 either three years of famine, or three months of devastation by your foes while the sword of your enemies overtakes you, or else three days of the sword of the Lord, pestilence on the land, with the angel of the Lord destroying throughout all the territory of Israel.’ Now decide what answer I shall return to him who sent me.”
Josh 9:16 At the end of three days after they had made a covenant with them, they heard that they were their neighbors and that they lived among them.
Matt 27:63and said, “Sir, we remember how that impostor said, while he was still alive, ‘After three days I will rise.’
John 2:20The Jews then said, “It has taken forty-six years to build this temple, and will you raise it up in three days?”
Judg 19:4And his father-in-law, the girl’s father, made him stay, and he remained with him three days. So they ate and drank and spent the night there.
Exod 10:23They did not see one another, nor did anyone rise from his place for three days, but all the people of Israel had light where they lived.
Jonah 2:1Then Jonah prayed to the Lord his God from the belly of the fish,
Jonah 2:10And the Lord spoke to the fish, and it vomited Jonah out upon the dry land.
Jonah 2:2saying, “I called out to the Lord, out of my distress, and he answered me; out of the belly of Sheol I cried, and you heard my voice.
Jonah 2:3For you cast me into the deep, into the heart of the seas, and the flood surrounded me; all your waves and your billows passed over me.
Jonah 2:4Then I said, ‘I am driven away from your sight; yet I shall again look upon your holy temple.’
Jonah 2:5The waters closed in over me to take my life; the deep surrounded me; weeds were wrapped about my head
Jonah 2:6at the roots of the mountains. I went down to the land whose bars closed upon me forever; yet you brought up my life from the pit, O Lord my God.
Jonah 2:7When my life was fainting away, I remembered the Lord, and my prayer came to you, into your holy temple.
Jonah 2:9But I with the voice of thanksgiving will sacrifice to you; what I have vowed I will pay. Salvation belongs to the Lord!”
Jonah 3:3So Jonah arose and went to Nineveh, according to the word of the Lord. Now Nineveh was an exceedingly great city, three days’ journey in breadth.
Exod 8:27We must go three days’ journey into the wilderness and sacrifice to the Lord our God as he tells us.”
2 Kings 2:17But when they urged him till he was ashamed, he said, “Send.” They sent therefore fifty men. And for three days they sought him but did not find him.
Matt 27:40and saying, “You who would destroy the temple and rebuild it in three days, save yourself! If you are the Son of God, come down from the cross.”
Exod 15:22Then Moses made Israel set out from the Red Sea, and they went into the wilderness of Shur. They went three days in the wilderness and found no water.
Acts 28:7Now in the neighborhood of that place were lands belonging to the chief man of the island, named Publius, who received us and entertained us hospitably for three days.
Num 33:8And they set out from before Hahiroth and passed through the midst of the sea into the wilderness, and they went a three days’ journey in the wilderness of Etham and camped at Marah.
Ezra 8:15I gathered them to the river that runs to Ahava, and there we camped three days. As I reviewed the people and the priests, I found there none of the sons of Levi.
Josh 2:22They departed and went into the hills and remained there three days until the pursuers returned, and the pursuers searched all along the way and found nothing.
Judg 14:14And he said to them, “Out of the eater came something to eat. Out of the strong came something sweet.” And in three days they could not solve the riddle.
Gen 40:13In three days Pharaoh will lift up your head and restore you to your office, and you shall place Pharaoh’s cup in his hand as formerly, when you were his cupbearer.
Josh 2:16And she said to them, “Go into the hills, or the pursuers will encounter you, and hide there three days until the pursuers have returned. Then afterward you may go your way.”
Mark 10:34And they will mock him and spit on him, and flog him and kill him. And after three days he will rise.”
1 Sam 30:12and they gave him a piece of a cake of figs and two clusters of raisins. And when he had eaten, his spirit revived, for he had not eaten bread or drunk water for three days and three nights.
Lev 12:4Then she shall continue for thirty-three days in the blood of her purifying. She shall not touch anything holy, nor come into the sanctuary, until the days of her purifying are completed.
Amos 4:4“Come to Bethel, and transgress; to Gilgal, and multiply transgression; bring your sacrifices every morning, your tithes every three days;
Matt 15:32Then Jesus called his disciples to him and said, “I have compassion on the crowd because they have been with me now three days and have nothing to eat. And I am unwilling to send them away hungry, lest they faint on the way.”
Acts 28:17After three days he called together the local leaders of the Jews, and when they had gathered, he said to them, “Brothers, though I had done nothing against our people or the customs of our fathers, yet I was delivered as a prisoner from Jerusalem into the hands of the Romans.
1 Sam 9:20As for your donkeys that were lost three days ago, do not set your mind on them, for they have been found. And for whom is all that is desirable in Israel? Is it not for you and for all your father’s house?”
Mark 8:31And he began to teach them that the Son of Man must suffer many things and be rejected by the elders and the chief priests and the scribes and be killed, and after three days rise again.
2 Chron 20:25When Jehoshaphat and his people came to take their spoil, they found among them, in great numbers, goods, clothing, and precious things, which they took for themselves until they could carry no more. They were three days in taking the spoil, it was so much.
2 Chron 10:12So Jeroboam and all the people came to Rehoboam the third day, as the king said, “Come to me again the third day.”
Gen 31:22When it was told Laban on the third day that Jacob had fled,
1 Sam 30:13And David said to him, “To whom do you belong? And where are you from?” He said, “I am a young man of Egypt, servant to an Amalekite, and my master left me behind because I fell sick three days ago.
Ezra 10:9Then all the men of Judah and Benjamin assembled at Jerusalem within the three days. It was the ninth month, on the twentieth day of the month. And all the people sat in the open square before the house of God, trembling because of this matter and because of the heavy rain.
1 Kings 12:12So Jeroboam and all the people came to Rehoboam the third day, as the king said, “Come to me again the third day.”
Esther 4:16“Go, gather all the Jews to be found in Susa, and hold a fast on my behalf, and do not eat or drink for three days, night or day. I and my young women will also fast as you do. Then I will go to the king, though it is against the law, and if I perish, I perish.”
Josh 1:11“Pass through the midst of the camp and command the people, ‘Prepare your provisions, for within three days you are to pass over this Jordan to go in to take possession of the land that the Lord your God is giving you to possess.’ ”
Exod 5:3Then they said, “The God of the Hebrews has met with us. Please let us go a three days’ journey into the wilderness that we may sacrifice to the Lord our God, lest he fall upon us with pestilence or with the sword.”
2 Kings 14:25He restored the border of Israel from Lebo-hamath as far as the Sea of the Arabah, according to the word of the Lord, the God of Israel, which he spoke by his servant Jonah the son of Amittai, the prophet, who was from Gath-hepher.
Jonah 1:1Now the word of the Lord came to Jonah the son of Amittai, saying,
Jonah 1:10Then the men were exceedingly afraid and said to him, “What is this that you have done!” For the men knew that he was fleeing from the presence of the Lord, because he had told them.
Jonah 1:11Then they said to him, “What shall we do to you, that the sea may quiet down for us?” For the sea grew more and more tempestuous.
Jonah 1:12He said to them, “Pick me up and hurl me into the sea; then the sea will quiet down for you, for I know it is because of me that this great tempest has come upon you.”
Jonah 1:14Therefore they called out to the Lord, “O Lord, let us not perish for this man’s life, and lay not on us innocent blood, for you, O Lord, have done as it pleased you.”
Jonah 1:15So they picked up Jonah and hurled him into the sea, and the sea ceased from its raging.
Jonah 1:2“Arise, go to Nineveh, that great city, and call out against it, for their evil has come up before me.”
Jonah 1:3But Jonah rose to flee to Tarshish from the presence of the Lord. He went down to Joppa and found a ship going to Tarshish. So he paid the fare and went down into it, to go with them to Tarshish, away from the presence of the Lord.
Jonah 1:5Then the mariners were afraid, and each cried out to his god. And they hurled the cargo that was in the ship into the sea to lighten it for them. But Jonah had gone down into the inner part of the ship and had lain down and was fast asleep.
Jonah 1:6So the captain came and said to him, “What do you mean, you sleeper? Arise, call out to your god! Perhaps the god will give a thought to us, that we may not perish.”
Jonah 1:7And they said to one another, “Come, let us cast lots, that we may know on whose account this evil has come upon us.” So they cast lots, and the lot fell on Jonah.