'Evening' in the Bible

Now the men of Israel were hard pressed that day, for Saul had made the army agree to this oath: "Cursed be the man who eats food before evening! I will get my vengeance on my enemies!" So no one in the army ate anything.

Meanwhile for forty days the Philistine approached every morning and evening and took his position.

David said to Jonathan, "Tomorrow is the new moon, and I am certainly expected to join the king for a meal. You must send me away so I can hide in the field until the third evening from now.

But David struck them down from twilight until the following evening. None of them escaped, with the exception of four hundred young men who got away on camels.