why do banks need an extra day to process paychecks after ‘bank holidays’ when almost everything is automatic/digital?

Question

why do banks need an extra day to process paychecks after ‘bank holidays’ when almost everything is automatic/digital?

In: 3758

Answer 1

1 US has a middle age baking system
2 We use checks and not wire transfer

EU is on its way to have an instant wire system across 27 nations.