{Date_Repeat} Every day of the week doesn't work
Is there any chance that in your time zone there's a Daylight Saving Time change on Saturday, November 6 ? Like for exemple in Los Angeles.
Because this would explain the shift of one hour you get after the 5th of November (remember, remember :) ).


  Inspiration: OMG Ponies!!! (Aka Humanity: Epic Fail), Jon Skeet -
  Stack Overflow Dev Days London 2009, video and transcript.