How US election night could unfold, hour-by-hour

It may take several days before it is clear whether Kamala Harris or Donald Trump will be the next US president (Alan Kotok/Alamy)

On the night of the US presidential election, November 5/6, polls will close at different times across the United States, usually on the hour.

As soon as this happens, a state can be “called” by the US news networks for either Kamala Harris or Donald Trump.