The hot water supply time of Southwest University for Nationalities is 16: 30-23: 30. In order to meet the bathing needs of students during military training as much as possible, the supply time of bathing hot water in the dormitory of students' apartment in South District has been adjusted, and the supply time of bathing hot water has been temporarily adjusted to: 16: 30-23: 30. Please arrange the bath time reasonably.