The central parity of the central bank's exchange rate against the US dollar is released by the People's Bank of China (the central bank) at 9: 0015 every working day, which is the foreign exchange accounting price of each unit, and there are no weekends and legal holidays. Today's US dollar exchange rate, after 9: 00 a.m.15 every working day, is taken from the central bank's median price released that day; On weekends, legal holidays and before 9: 15 every working day, the central parity of the central bank's exchange rate on the previous working day is taken, and a gray background is added to indicate the difference.