Date Occassion
9th January
Birthday of The Duchess of Cambridge
20th January
Birthday of The Countess of Wessex
6th February
Her Majesty's Accession
19th February
Birthday of The Duke of York
1st March
"St. David's Day (in Wales only, see note 1)"
2nd Mon March
Commonwealth Day
10th March
Birthday of The Earl of Wessex
17th March
"St. Patrick's Day (in Northern Ireland only, see note 5)"
21st April
Birthday of Her Majesty The Queen
23rd April
"St. George's Day (in England only, see note 1)"
9th May
Europe Day (see note 4)
2nd June
Coronation Day
as appointed
Official Celebration of Her Majesty's Birthday
10th June
Birthday of The Duke of Edinburgh
21st June
Birthday of The Duke of Cambridge
17th July
Birthday of The Duchess of Cornwall
15th August
Birthday of The Princess Royal
2nd Sun November
Remembrance Day (see note 2)
14th November
Birthday of The Prince of Wales
20th November
Her Majesty's Wedding Day
30th November
"St. Andrew's Day (in Scotland only, see note 1)"

Also the day of the opening of a Session at the Houses of Parliament by Her Majesty (see note 3).

The day of the prorogation of a Session of the Houses of Parliament by Her Majesty (see note 3).


  1. Where a building has two or more flagpoles: In addition to the Union Flag, an appropriate National flag may be flown but not in a superior position. On their appropriate saint days, UK government buildings (within the wider Whitehall area) may fly the national flags alongside the Union Flag. 
  2. Flags should be flown at full mast all day.
  3. Flags should be flown on this day irrespective of whether or not Her Majesty performs the ceremony in person, but only on buildings in the Greater London area.
  4. The Union flag should fly alongside the European flag. The Union flag should take precedence on Government buildings that only have one flagpole.
  5. Only the Union Flag should be flown.

The UK authority advising the designated days for Union Flag flying is the Government Department for Culture, Media and Sport. To view current Union flag flying days follow this link:

The UK’s National Flag Charity, The Flag Institute, publish a comprehensive list of flag flying days on their website