24 December Christmas Number One announced, Radio 1, 4pm.
25 December Christmas Day.
26 December England vs Australia fourth Ashes Test begins, Melbourne Cricket Ground, Australia.
28 December Harrods January Sale opens, Knightsbridge, London.
31 December London's New Year's Eve Celebrations, various venues.
31 December BBC's Royal Charter expires.
2 January Regulated train fares, comprising season tickets and saver fares, rise an average of 4.3%, and unregulated fares - making up 60% of the total - rise by an average of 4.7%. - Diary data supplied by www.yearahead.co.uk.