Constitution Day observed on June 5, commemorates the anniversary of the signing of the Danish constitution of 1849, which established Denmark as a constitutional monarchy, and honors the constitution of 1953, which was adopted on the same day. Almost all workplaces and shops are closed at noon on this particular day.

The day, however, is not widely used to celebrate the constitution as is seen in other countries, for example Norway

Norwegian Constitution Day

Norwegian Constitution Day is the National Day of Norway and is an official national holiday observed on May 17 each year. Among Norwegians, the day is referred to simply as syttende mai or syttande mai , Nasjonaldagen or Grunnlovsdagen , although the latter is less frequent.- Historical...

 or Sweden.

This day is also Father's Day

Father's Day

Father's Day is a celebration honoring fathers and celebrating fatherhood, paternal bonds, and the influence of fathers in society. Many countries celebrate it on the third Sunday of June but it is also celebrated widely on other days...

in Denmark.