Times it consists concerned with the determination of the amount of time required to perform a unit of work. It consists of process of observing and recording the time required to perform each element of an operation so as to determine the reasonable time in which the work should be completed.

According to ILO " Time study is a work measurement techniques for recording the times and rates of working for the element of a specified job carried out under specified conditions and for analyzing the data so as to obtain the time necessary for carrying out the job at a defined level of performance.