Summer Solstice 2025 Longest Day In India. The summer solstice marks the first day of. In the northern hemisphere, the next summer solstice will take place on june 21, 2025.
This day is the longest day of the year and this is the day that gets sunlight for the longest period of time. Spring equinox 20 march, summer solstice 21 june, autumn equinox 22 september, winter solstice 21 december.