What name is given to the Danish New Year's Eve tradition of jumping from a chair at midnight?

The Danish New Year's Eve tradition of jumping from a chair at midnight is called jumping into the New Year.

In Denmark, some people stand on a chair, sofa, or other raised place and jump down as the clock reaches midnight. The action is popularly described as “jumping into the New Year,” expressing a symbolic leap from the old year into the new one. It is a household custom rather than a single official public ceremony.

The tradition is often performed alongside other Danish New Year's customs, including toasting with champagne and eating festive foods. People may also watch the monarch's New Year's speech, which is broadcast on December 31. The chair jump is generally lighthearted and varies from family to family.

It should not be confused with Denmark's separate custom of throwing or smashing old plates at friends' doors, which traditionally symbolizes friendship and good fortune. The two practices are both linked with New Year's Eve but describe different actions.