KJV:
He was five and twenty years old when he began to reign, and reigned sixteen years in Jerusalem.
NASB:
He was twenty-five years old when he became king, and he reigned sixteen years in Jerusalem.
KJV:
Ahaz was twenty years old when he began to reign, and he reigned sixteen years in Jerusalem: but he did not that which was right in the sight of the LORD, like David his father:
NASB:
Ahaz was twenty years old when he became king, and he reigned sixteen years in Jerusalem; and he did not do right in the sight of the LORD as David his father had done.
KJV:
Hezekiah began to reign when he was five and twenty years old, and he reigned nine and twenty years in Jerusalem. And his mother's name was Abijah, the daughter of Zechariah.
NASB:
Hezekiah became king when he was twenty-five years old; and he reigned twenty-nine years in Jerusalem. And his mother's name was Abijah, the daughter of Zechariah.
KJV:
He in the first year of his reign, in the first month, opened the doors of the house of the LORD, and repaired them.
NASB:
In the first year of his reign, in the first month, he opened the doors of the house of the LORD and repaired them.
KJV:
Beside their genealogy of males, from three years old and upward, even unto every one that entereth into the house of the LORD, his daily portion for their service in their charges according to their courses;
NASB:
without regard to their genealogical enrollment, to the males from thirty years old and upward-- everyone who entered the house of the LORD for his daily obligations-- for their work in their duties according to their divisions;
KJV:
Both to the genealogy of the priests by the house of their fathers, and the Levites from twenty years old and upward, in their charges by their courses;
NASB:
as well as the priests who were enrolled genealogically according to their fathers' households, and the Levites from twenty years old and upwards, by their duties and their divisions.