So David told him, “Look, tomorrow is the New Moon, and I am supposed to dine with the king. Instead, let me go and hide in the field until the third evening from now.
Jewish Publication Society of America Version (JPS1917) - 1 Samuel 20:5 >And David said unto Jonathan: 'Behold, to-morrow is the new moon, when I should sit with the king to eat; so let me go, that I may hide myself in the field unto the third day at even.