1 Provisional license holders under 18 are only authorized to drive without supervision between the hours of 5 am to midnight. 2  From midnight to 5 am they must be accompanied by a supervising driver who is 21 or older, and has held a license for a minimum of 3 years. A qualified supervising driver is a licensed driver, 21 years of age or older, with at least 3 years of driving experience. 2  At least 10 of the practice hours must occur during the period beginning 30 minutes before sunset and ending 30 minutes after sunrise.