Summer 2024 Date. With two years to go to the paris 2024 olympic games, the official competition schedule has been released. Summer 2024 starts on thursday, june 20th in the northern hemisphere, with the first day of summer being the longest daylight day of the year with the earth's axis having reached its furthest tilt and begins to change directiion back.

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 are the equinox and solstice dates—plus, answers to common questions about the seasons of the year in north.