Employer's maximum expected work hours (number per day, number per week) - Note that, although schools are not physically open, they are still in session for purposes of work hour limits. These limits are: 12-13 years old: May only work on weekends and school holidays. May not work on school days. 14-15 years old: On weekends and school holidays, may work 8 hours per day. On school days, may only work 3 hours per day. 16-17 years old: On weekends, school holidays, and days preceding weekends and school holidays, may work 8 hours per day. On other school days, may only work 4 hours per day. *