St Andrew’s Day is Scotland’s national day.
St Andrew’s Day 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/
St Andrew’s Day is also listed as a flag flying day (for Scotland only) by UK government guidance.
The Union Flag is specified.
https://www.gov.uk/guidance/designated-days-for-union-flag-flying
St Andrew’s Day is 30th November (not 2nd November as shown on your calendar of flag days)
Sorry – that was a glitch in our calendar system which I have hopefully now fixed. It was showing St Andrew’s Day as both the 2nd and 30th of November!