How Many Hours Is Full-Time vs. Part-Time

In high school, I worked for Winfrey's Candy Store. I worked three hours a night, on Monday, Wednesday, and Saturday.
Needless to say, I understood it was part-time.
But distinguishing the difference between full-time and part-time hours isn't always easy. For instance, the Fair Labor Standards Act (FLSA) says, "This is a matter generally to be determined by the employer."
If you're an employee, it's critical you know whether you're working full-time or part-time. The classification has major implications, including your options for health insurance, how much paid time-off you get, and whether you're eligible for childcare reimbursement.
It's equally critical to distinguish the difference if you're an employer -- failing to properly label your employees as full-time or part-time could result in fines or penalties.
To learn how many hours full-time versus part-time is, keep reading.