The amount of time David ruled in Hebron over the house of Judah totaled seven and a half years.
And the time that David was king in Hebron over the house of Judah was seven years and six months.
And David was king in Hebron over the house of Judah for seven years and six months.
And the number of the days, during which David was staying and ruling in Hebron over the house of Judah, was seven years and six months.