Summer solstice 2021 on Father's Day, the longest of the year, marks Earth's changing seasons

Summer solstice 2021 on Father's Day, the longest of the year, marks Earth's changing seasons
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The official start of summer kicks off in the Northern Hemisphere today (June 20) to make Father's Day the longest day of the year.



June 20, 2021 at 05:52PM
via Space.com read more...