SERIOUSLY? There used to be some law about how a bank couldn't be closed for 3 days in a row.
There still is
Man don’t I wish
To OP are they closed altogether or are lobbies closed with drive thru access?
Proactive with regard to Omicron is like being proactive with regard to cold season…
My wife worked as a teller for several years circa 1980. Even in those days of prehistory, banks enjoyed three day weekends for Monday holidays, just as they do today.
The requirement was that the bank be open four business days each week.
Of course, today, with internet banking, the bank is open 24 hrs/day and 7days/week.