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
25 days away
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December Solstice 2026
Monday, December 21, 2026
20:53 UTC
208 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
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.