1 Question: When is a girl considered adult from the viewpoint of Sharia?
Answer: She is considered adult at the completion of nine lunar years.
2 Question: When does a boy become adult? In other words, when is he supposed to begin carrying out religious acts as obligatory duties?
Answer: A boy reaches the age of bolugh (adulthood) at the completion of 15 lunar years except for when one of the signs of bolugh appears before that age.