Fascinating facts about local electionspublished at 13:58 British Summer Time 4 May 2017
If you're wondering why certain things do - and don't - happen on polling day, these fascinating facts may shed some light for you.
How the BBC reports polling day: The BBC, like other broadcasters, isn't allowed to report details of campaigning while the polls are open.
Coverage on the day is restricted to uncontroversial factual accounts, such as the appearance of politicians at polling stations or the weather.
And if you've ever wondered why elections aren't held on Mondays, Tuesdays, Wednesdays, Fridays, Saturdays or Sundays: