How do I determine a public holiday in Sql server?

Question

I have an application written in c# that cannot run on a public holiday or a weekend. I\'ve looked around a bit and haven\'t found anywhere (official) that provides all the

Answer 1

Public holidays are rarely available for the next 50 years. In some countries they are known for the next couple of years, in some countries not. They also vary by states and even cities.