Write SQL query to solve given problem: List down the closing day of businesses located at SC State.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T3.day_id - T2.day_id FROM Business AS T1 INNER JOIN Business_Hours AS T2 ON T1.business_id = T2.business_id INNER JOIN Days AS T3 ON T2.day_id = T3.day_id WHERE T1.state = 'SC'