What is the origin of the idiom "have time on one's hands" and when to use it?

The idiom "have time on one's hands" has its origins in the English language and dates back to the 17th century. The word "hands" in this expression refers to the idea of having one's hands unoccupied or free from tasks or responsibilities. It suggests that someone has an excess of time that is not filled with necessary or obligatory activities. It is often employed when discussing periods of downtime, such as during vacations, holidays, or extended breaks from work or school.