Working hours and rest breaks for workers aged 16 or 17 by law, workers aged 16 or 17 must not work more than 8 hours a day and 40 hours a week. For minors ages 16 and 17: Pin On Texas Storm Chasers Content Can work no more than 3 hours in a day or 18 hours in a week when school is in session. How many hours a week can a 17 year old work in texas . However, between june 1 and labor day, they may work between the hours of 7 a.m. A maximum of 2 hours on school days and sundays; A young child (who is not old enough to go to school, i.e. 8 hours of work per day, 40 per week are permitted when school is off. They must also have, as a minimum: June 1 through labor day, except when school is in session) to 7 a.m. Can work only between 7 a.m. Minors under 18 may not work more than 8 hours a day, 6 days a week. They cannot work more than nine hours in any day, unless the 48 hours weekly maximum is worked in five days. In that case, the minor may work nine and 3/5 ...