Solstice 2024 Summer. Before sunrise, jupiter, mars, and saturn are in the eastern sky. It is the longest day of the year that marks the arrival of the summer season.
In 2024, the summer solstice will occur on june 20, at 20:51 gmt in the northern hemisphere, and on december 21, at 09:20 gmt in the southern hemisphere. Here’s everything you need to know about the northern hemisphere’s longest day of the year.