Blue laws are mostly relegated to alcohol sales on Sundays, i don’t think any of the states that still have blue laws are related to the banking industry.
You are correct, banks are open on Saturday, so that does blow my weekend theory out of the water…sort of…
You see, while I fully recognize that banks may shut down on Sundays to allow their employees to worship..there is also an argument that the bank may want to shut down one day a week, just to let everyone rest…and Sunday just happens to be the best day since being closed on a …Wednesday, for example, would be a bad idea.
Also, it has to do with the stock market and other major financial institutions being closed on Sundays.
It used to be much harder to get to the bank before it closed—so much so, that the term “banker’s hours” was used to refer to a short working day. Now, not only are banks typically open during regular business hours, but some are even open on the weekend. While it can be hard to find banks that a
www.forbes.com
So, it could be that banks need to close 1 day to settle their books…and Sunday happens to be that day?
Just a theory.