08: 00 am- 12: 00 am， 14: 00 pm- 17: 00 pm。 By May 29th, 2023, according to the information released by tongji hospital Optics Valley Campus, Tongji's working hours in Optics Valley are from Monday to Sunday, from 08: 00 am to 12: 00 pm and from 14: 00 pm to 17: 00 pm. Going to work is the product of industrial civilization division of labor. Because of the division of labor between individuals and families, people with the same tasks need to work in the same place, which changed the pattern of taking families and individuals as independent labor units in the period of agricultural civilization.