Demand deposits in debit card accounts are settled quarterly, and the 20th of each quarter is the settlement date. Interest is calculated according to the settlement date or its interest rate, and the interest is transferred to the principal on 2 1. If the account is closed before the interest settlement date, the interest will be calculated according to the current interest rate published on the account closing date until the day before the account closing.
(Answer time: 2021April 19, depending on the actual situation. )