time on hands

time on (one's) hands

A period of time that is not already designated for some activity or use; free time. I have some time on my hands this weekend, so I can finally take a look at your car.
See also: hand, on, time
Farlex Dictionary of Idioms.

time on (one's) hands

An interval with nothing to do.
See also: hand, on, time
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • any time means no time
  • about time too
  • against time
  • against the clock
  • any time
  • (it's) time to run
  • anytime
  • before last
  • (it's) time to push along
  • about time