Solstice Calculator
Find the exact dates of summer and winter solstices for any year.
Select Year
What is a Solstice?
A solstice occurs when the Sun reaches its highest or lowest point in the sky at noon, resulting in the longest or shortest day of the year. The June solstice marks the beginning of summer in the Northern Hemisphere, while December solstice marks winter.
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June Solstice 2026
Sunday, June 21, 2026
08:51 UTC
142 days away
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December Solstice 2026
Monday, December 21, 2026
20:53 UTC
325 days away
Solstice Facts
Northern Hemisphere
June = Summer Solstice (longest day)
December = Winter Solstice (shortest day)
December = Winter Solstice (shortest day)
Southern Hemisphere
June = Winter Solstice (shortest day)
December = Summer Solstice (longest day)
December = Summer Solstice (longest day)
Approximate Daylight (45 N)
June: ~16 hours 30 minutes
December: ~8 hours 30 minutes
December: ~8 hours 30 minutes