'Hottest' in the Bible

Later, the LORD appeared to Abraham by the oaks belonging to Mamre. As Abraham was sitting near the entrance to his tent during the hottest part of the day,

Rechab and Baanah, the sons of Rimmon the Beerothite, left and arrived during the hottest part of the day at the home of Ish-bosheth while he was taking a noon day nap.