The only date in the constitution is 20th Jan. Geotus will still be Commander in chief, Dear leader and Chief magistrate even on 11.59 20th Jan. With full powers
Nope! No swearing in for creepy Joe. Martial Law suspends the constitution,the courts and congress not even Pelosi can be sworn in at high noon 20th assuming Biden and Camala are in Gitmo
READ the constitution PEDE