public holiday
national holiday AmE
legal holiday AmE
federal holiday AmE

Also, in Muslim countries the day is given as a national holiday.

The day of his murder is an important national holiday.

He wondered if today was some kind of national holiday.

It once again became an official national holiday in 1992.

But there's no point in making a national holiday out of it.

It has been a national holiday in Japan since 1948.

The market was closed on Friday for a national holiday.

Also many thanks for coming to work on what is a national holiday in your country.

It is also the most important national holiday in Mexico.

It started in 1966 as a national holiday and held on every September 15.