'Within' in the Bible

And they buried him in the territory of his inheritance in Timnath-heres, in the hill country of Ephraim, north of Mount Gaash.

Then they went through the wilderness and went around the land of Edom and the land of Moab, and came to the east side of the land of Moab, and they camped on the other side of the [river] Arnon; but they did not enter the territory of Moab, for the Arnon was the [northern] boundary of Moab.

Then Samson said to them, “Let me now ask you a riddle; if you can tell me what it is within the seven days of the feast, and solve it, then I will give you thirty linen tunics (undergarments) and thirty changes of [outer] clothing.