It would feel slightly odd: going to the number one traditional rest day, to avoid old-fashioned traditions (if they exist)....
Kidding aside, no idea if it would work. I would personally not like spreading it over two days, since that'd simply take away the 'Grand Final day' feeling. I've also always been happy it is on a Saturday, because it's generally a long day and especially the second half of Sunday mostly feels like "ugh, have to work tomorrow"