Does the subject want to ask, "When is the prescribed air conditioning time in Shenzhen students' classrooms? "The Shenzhen Municipal Education Bureau has issued the Measures for the Administration of Classroom Air Quality in Primary and Secondary Schools in Shenzhen, which stipulates that the use time of air conditioners in students' classrooms is: summer, winter and other time periods.

1, in summer (May 1 to 1 October1): every day from 6: 00 a.m. to 0: 00 p.m. 10 p.m., the hourly cooling capacity shall not exceed 30W/m2, and the indoor temperature shall not be lower than 26 degrees Celsius when in use.

2. Winter (111October1to April 30th of the following year): from 6: 00 a.m. to 10 p.m. every day, the hourly heating volume shall not exceed 40W/m2, and the indoor temperature shall not be higher than 20 degrees Celsius when in use.

3. Other time periods: The air conditioner can be properly turned on according to actual needs, but the cooling capacity per hour shall not exceed 20W/m2, and the heating capacity per hour shall not exceed 30W/m2.