- Tree goes up
- 24 December (Juleaften / Christmas Eve), the main event, decorated shortly before or on the day
- Tree comes down
- 6 January (Helligtrekongersdag / Epiphany), the general Nordic norm
- Local superstition
- No distinctive documented bad-luck belief; the emphasis is on the joyful tree-dancing ritual rather than removal superstition.
Why that date
Danish Christmas centres overwhelmingly on Christmas Eve, including the family ritual of dancing or walking hand-in-hand around the decorated tree while singing carols (“at gå julen ind”).
What actually happens
The custom of the whole family joining hands and dancing/walking around the lit tree singing carols is a distinctively Danish (and broadly Scandinavian) Christmas Eve ritual.
Taking it down again
6 January (Helligtrekongersdag / Epiphany), the general Nordic norm. No distinctive documented bad-luck belief; the emphasis is on the joyful tree-dancing ritual rather than removal superstition.
If you would rather not have this argument again next year, the calendar reminder on the home page will put both dates straight into your phone.
Sources
When the answer is finally yes
The bit you actually need
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