If it is an approved account, such as basic deposit account, special deposit account and temporary deposit account, and the cancellation procedures are complete, the bank will cancel it at the People's Bank of China within 2 working days from the date of canceling the bank settlement account. If the bank can go to PBOC for approval on the same day, it can do it on the same day. /kloc-it is normal to cancel the approved account within 0/-3 working days.
For the record, such as ordinary households. The procedures are complete. If there is no problem with the transfer, it can be completed on the day of cancellation.