3 May 2008 UTC I contacted the City of London offices and gathered this information A Boris Johnson was declared the winner of the London Mayoral Election at 11 57pm GMT He becomes Mayor Elect B Boris Johnson the declaration agrees to abide by the rules and regulations as becomes Mayor of London at 11 30am GMT He is now Mayor Ken Livingston is no longer Mayor C There is agreed transitional period between administrations this is period for Ken Livingston and his staff to vacate the Mayoral Offices the deadline for this 12 00pm Sunday This is officially when the Boris Johnson Administration Begins So Boris Johnson is MAYOR of LONDON as of 11 30 This Morning His administration begins Monday at 00 00am Therefore I am changing to back to the correct title he is NO LONGER MAYOR ELECT 18 22