According to "Going to Work" the BBC cuts protest will actually be held on Monday 23 November.

"The hour-long lunchtime protest and celebration of all things Doctor Who, will take place on Monday 23 November outside BBC Broadcasting House in London. Guest speakers include actors Peter Davison (the fifth Doctor), Sophie Aldred (sidekick Ace), Bertie Carvel (The Lazarus Experiment) and Chris Jury (The Greatest Show in the Galaxy)."

~Pockets

http://goingtowork.org.uk/who-loves-the-bbc/