First Day Of 2024 Summer. Follow all the latest news as france prepares for the world's biggest. Today (june 20) the summer solstice — the longest day of the year in the northern hemisphere — will begin, and it will be the earliest solstice in 228 years.
Follow all the latest news as france prepares for the world’s biggest. When is first day of summer in 2024 is thursday, june 20, and it lasts until sunday, september 22, inclusive.