The International Day against Homophobia, Transphobia and Biphobia is an official flag flying day only in Scotland, not in the rest of the UK.
https://www.gov.scot/publications/flag-flying-on-government-buildings/
Autistic Pride Day is an official flag flying day only in Scotland, not in the rest of the UK.
https://www.gov.scot/publications/flag-flying-on-government-buildings/
The birthday of the Duke of Rothesay (Prince of Wales) is listed as a flag flying day by Scottish government guidance.
The Scottish Saltire is specified.
https://www.gov.scot/publications/flag-flying-on-government-buildings/
The Birthday of the Prince of Wales is also listed as a flag flying day by UK government guidance.
The Union Flag is specified.
https://www.gov.uk/guidance/designated-days-for-union-flag-flying
Pride Edinburgh is an official flag flying day only in Scotland, not in the rest of the UK.
Its date is advised each year.
https://www.gov.scot/publications/flag-flying-on-government-buildings/
Glasgow Pride is an official flag flying day only in Scotland, not in the rest of the UK.
Its date is advised each year.
https://www.gov.scot/publications/flag-flying-on-government-buildings/
The birthday of the Princess Royal is an official flag flying day only in Scotland, not in the rest of the UK.
https://www.gov.scot/publications/flag-flying-on-government-buildings/
Montmouthshire Day takes place each year on 25 September, the feast of Saint Cadoc or Cadog (born c. 497).
Cadoc was the founder of the monastery of Llancarfan, and a pioneer of Celtic Christianity in Wales.
The International Transgender Day of Remembrance honours those murdered as a result of transphobia.
It is an official flag flying day in Scotland but not in the rest of the UK.
https://www.gov.scot/publications/flag-flying-on-government-buildings/
Caernarfonshire Day takes place annually on 28 November.
It commemorates the death of Prince Owain Gwynedd, King of Gwynedd (1137–70).