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Heat Advisory issued Saturday, June 21, 2025 at 03:02 EDT by NWS State College PA

When is the longest day of the year? What to know about the summer solstice

June 20, 2025 at 08:38 EDTWNEP

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While it's often believed that the summer solstice is an event that spans an entire calendar day, the solstice actually lasts just a moment.