1. The working days of banks are Monday to Friday, and the working days of exchanges correspond to the opening hours of the stock market or other financial markets, including all or part of the time periods from Monday to Friday, as well as weekend rest days.

2. The main duties of banks are to accept customers' deposits, provide loans, handle payments and transfers, and provide credit cards, wealth management products and other services. The exchange is one of the core institutions in the financial market, and its main responsibility is to promote the trading of securities, commodities, futures and financial assets. The exchange provides a trading platform, matches trading instructions, and ensures fairness, transparency and effectiveness of trading.