What Is The First Day Of Summer 2024 In India. When is summer solstice 2024? The first day of summer in the northern hemisphere will be on june 20, 2024.

The summer solstice is the first day of astronomical summer, although the more logical metrological summer begins december 1st / june 1st (depending on hemisphere). June 21st marks the summer solstice, a notable event when the northern hemisphere experiences the longest day of the year, while the southern hemisphere has the shortest.