The new time will continue until a further notice, the circular added.Besides, the central bank has instructed all banks to keep open at least one branch of their respective bank in each district or an important place of districts.
BB has also asked banks to keep open foreign currency dealing authorised dealer branches in metropolitan or divisional cities.
The central bank has also directed the banks to maintain the safety and hygiene related guidelines of the World Health Organisation (WHO) while operating the banks.
From March 29, banks have been providing services on a limited scale during the countrywide general holidays announced by the government due to coronavirus pandemic.