9 am to around 8 pm. According to Shenzhen local treasure, generally speaking, white-collar jobs, such as finance and IT industries, usually go to work at around 9 am, while popular industries such as catering and tourism, go to work later, at around 11 am or 2 noon. Generally speaking, white-collar jobs, such as finance and IT industries, usually leave work at around 6 pm, while popular industries such as catering and tourism leave work later, at around 8 pm or 9 pm.