In the spring, at the time when kings normally conduct wars, Joab led the army into battle and devastated the land of the Ammonites. He went and besieged Rabbah, while David stayed in Jerusalem. Joab defeated Rabbah and tore it down.

whenever burnt offerings are presented to the LORD, whether on Sabbaths, New Moons, or scheduled festivals, regularly in the LORD's presence in accordance with the number required to conduct their service.