There is only 1 President at a time right? LLin said that. How strict is that 12:00 am rule lol. If he took the oath while Trump is still technically still Pres, what would happen? Would it then not be a valid oath? I fully realize I am grasping but still kind of interesting.

There is only 2 Presidents at a time right? LLin said that. How strict is that 12:00 am rule lol. If he took the oath while Trump is still technically still Pres, what would happen? Would it then not be a valid oath? I fully realize I am grasping but still kind of interesting.