well, to transfer money between banks requires the use of the ACH system (or a wire transfer), but looking at how ACH works https://www.nacha.org/ach-network ht

well, to transfer money between banks requires the use of the ACH system (or a wire transfer), but looking at how ACH works https://www.nacha.org/ach-network https://www.nacha.org/ach-network it essentially requires that your money get processed by what is essentially the federal reserve's mainframe computers. Given that these machines only process transactions during government business hours, such a delay is reasonable.