'Week long' in the Bible
"Tell the Israelis that starting the fifteenth day of this seventh month is the week-long Festival of Tents to the LORD.
"Let me tell you a riddle," Samson told them. "If you can solve it during this week-long festival, I'll give you 30 linen garments and 30 formal garments.
At that time Solomon also held a week-long festival attended by all of Israel. The assembly was very large, and included people from as far away as Lebo-hamath to the Wadi of Egypt.
At the end of this time, the king held a week-long banquet in the garden courtyard of the royal palace for all the people, from the greatest to the least, who were present in the fortress of Susa.