Disclosed herein is a washing machine including a time setting unit configured to set an operation time, and a controller configured to control the laundry treatment operation so as to be terminated before expiration of the operating time by adjusting at least one of a level of water supplied to a washing tub to execute at least one of the wash and the rinse, a number of times of executing the rinse and an execution time of the spin-dry, according to the operation time set through the time setting unit.