> There is no constitutional requirement on a date for election day. <
I would have bet you $100 that you were wrong. But I just looked it up. By golly, you are right.
https://en.m.wikipedia.org/wiki/Election_Day_(United_States)
But by statute (legislation)
“....It is statutorily set as “the Tuesday next after the first Monday in the month of November” equalling “the first Tuesday after November 1”.[1] The earliest possible date is November 2, and the latest possible date is November 8.
....”
From your link
https://en.m.wikipedia.org/wiki/Election_Day_(United_States)