'Seven' in the Bible

The time that David reigned over Israel was forty years: he reigned seven years in Hebron and thirty-three years in Jerusalem.

The lowest story was five cubits wide, the middle was six cubits wide, and the third was seven cubits wide; for he made offsets (niches) in the walls all around on the outside of the house so that the supporting beams would not be inserted into the walls of the house.

In the eleventh year [of King Solomon’s reign] in the month of Bul (October-November), that is, the eighth month, the house was finished throughout all its parts and in accordance with all its specifications. So he built it in seven years.

There were nets of network (lattice-work) and twisted threads (wreaths) of chainwork for the capitals which were on the tops of the pillars, seven for one capital and seven for the other.

So at that time Solomon held the feast, and all Israel with him, a great assembly, from the entrance of Hamath [on the northern border of Israel] to the Brook of Egypt [at Israel’s southern border], before the Lord our God, for seven days and seven more days [beyond the prescribed period for the Feast of Booths], fourteen days in all.

In the twenty-seventh year of Asa king of Judah, Zimri reigned [over Israel] for seven days at Tirzah. Now the troops were camped against Gibbethon, [a city] which belonged to the Philistines,

and he said to his servant, “Go up, look toward the sea.” So he went up and looked and said, “There is nothing.” Elijah said, “Go back” seven times.

So they camped opposite each other for seven days. Then on the seventh day the battle began, and the sons of Israel killed 100,000 of the Aramean foot soldiers in a single day.