whilst listening to some old "month of sundays" tunage(jim james pre-MMJ) i realized that every month that begins on a sunday has a friday the 13th.. could this be the origin of the band name?
That is a really cool connection that you made. I have also wondered about those origins. This is what I came up with...
Idiom:
month of Sundays Informal
An indefinitely long period of time: It will take you a month of Sundays to chop all that wood.
I also recently learned that a "raconteur" is one who can tell a story well. I love to know the origins of things...band names are especially interesting.
I always thought it was a month of days to relax and do whatever you want. Sounds fantastic!