There are certain specific holidays I don't believe anybody needs to be open-Independence Day, Memorial Day, Thanksgiving Day and Christmas Day.
Of course, the sign on my door reads as follows:
"WE CLOSE FOR MEMORIAL DAY, INDEPENDENCE DAY, THANKGIVING DAY, VETERAN’S DAY, COLUMBUS DAY,
CHRISTMAS DAY, NEW YEARS DAY, GOOD BOATING DAYS, MAYBE A DAY DURING HUNTING SEASON, REALLY BAD WINTER DAYS, HANGOVERS (THE DAY AFTER), AND ANY OTHER DAY WITH THE WORD “DAY” IN IT AT OUR DISCRETION.
HOWEVER, WE DON’T USUALLY TAKE A LUNCH."