'Nine' in the Bible

"Men of Judea and everyone living in Jerusalem! You must understand something, so pay close attention to my words. These men are not drunk as you suppose, for it's only nine o'clock in the morning.

Then he summoned two centurions and ordered, "Get 200 soldiers ready to leave for Caesarea at nine o'clock tonight, along with 70 mounted soldiers and 200 soldiers with spears.