When is the longest day of the year in Denmark?
The summer solstice and how long the day is.
Short answer
The longest day in Denmark is the summer solstice, which falls on 21 June in both 2026 and 2027. Around the solstice the day is about 17.5 hours long, against about 7 hours at the winter solstice. In Copenhagen the day at the solstice is about 17 hours 32 minutes. Northern Jutland has slightly longer summer days than Lolland and Falster in the south.
Why
- The summer solstice falls on 20 or 21 June.
- The day is about 10 hours longer than at Christmas.
- North Jutland gets slightly longer summer days than the south.
Details
In 2024 the summer solstice fell on 20 June, so the date moves a little between years.
Tip
With about 17.5 hours of daylight you can plan long days outside; bring a sleep mask if light nights keep you awake.
What may differ
Day length differs a little by place in Denmark and by year.
Common misconception
Many think Midsummer Eve, Sankt Hans on 23 June, is the longest day.
What actually happens
The longest day is the solstice on 20 or 21 June, a couple of days before Sankt Hans.
People also ask
- When is the shortest day in Denmark?
- Does Denmark have white nights?
- When are day and night equal in Denmark?
Sources
- DMI: Thursday night is the longest of the year (table of solstices and equinoxes)Checked at:
- DMI: Midsummer and its chronic delayChecked at:
- DMI: On Monday daylight has gained an hourChecked at:
- DMI: Thursday night is the longest of the year (2023)Checked at:
- DMI: Day length drops below ten hoursChecked at:
This answer is for reference only. Weather varies a lot from year to year, so check the DMI forecast before you travel.
Weather and seasonsRelated questions
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Is there an official weather app for Denmark?
The official weather app for Denmark is DMI Vejr, made by the Danish Meteorological Institute (DMI).
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What should you do in a thunderstorm in Denmark?
In Denmark 85 % of thunderstorms come in June, July and August, so they matter most for summer trips.
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How do I know if the water is clean enough to swim in Copenhagen?
The City of Copenhagen publishes the daily bathing water quality for its bathing spots on badevand.dk, with the weather and a three day forecast for each place.
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When are there lifeguards at the Copenhagen harbour baths?
Copenhagen has three municipal harbour baths: Islands Brygge, Fisketorvet and Sluseholmen.