2 Samuel 24:8 So when they had gone through all the land, they came to Jerusalem at the end of nine months and twenty days.

2 Samuel 24:10 And David's heart smote him after that he had numbered the people. And David said to the LORD, I have sinned greatly in what I have done: and now, I beseech thee, O LORD, take away the iniquity of thy servant; for I have done very foolishly.