If I recall, the date for the presidential election is codified in the Constitution, so changing it might be difficult. Of course that does not mean they won't try.
On a Mac since 1984. Currently: 24" M1 iMac, M2 Pro Mac mini with 27" BenQ monitor, M2 Macbook Air, MacOS 14.x; iPhones, iPods (yes, still) and iPads.
