The teacher clock model is a practical tool for assisting time teaching, consisting of a clock face with digital scales, and rotatable hour and minute hands. The outer circle is a numerical circle, supporting 12/24-hour switching. In teaching, students can simulate different moments to recognize and read; By moving the pointer, understand the passage of time and calculation. Help students establish a concept of time and master reading and calculation methods. It can be hung on the blackboard, and students can synchronize the small clock with their hands to announce the time and calculate the time difference for group competitions, making classroom operations more convenient and efficient.