on one's own time

on (one's) own time

When one is not actively working at one's job; in one's free time. It's hard to pursue a degree on your own time when you're also working a full-time job.See also: on, own, time

on one's own time

During non-working hours, especially when one is not being paid. For example, Marcia wrote poetry evenings and weekends, on her own time. This expression implies that the time one spends working for someone else is no longer one's possession. See also: on, own, time