C6summer Solstice 2024 Longest Day. It’s the shortest day and longest night in the northern hemisphere. Every year june 21st, 2024 occurs a natural phenomenon that is celebrated as the longest day of the year.

Summer solstice, occurring around june 20 or 21, marks the longest day of the year in the northern hemisphere. The winter solstice on december 21, 2024, marks the shortest day and longest night in the northern hemisphere.