23rd December 201623rd December 2016 Her Majesty The Queen’s Birthday Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: 21st April 2017 all-day 2017-04-21T00:00:00+01:00 2017-04-22T00:00:00+01:00 CEREMONIAL