Summer Solstice 2024 In Northern Hemisphere. June 20, 2021, marks the summer solstice — the beginning of astronomical summer — in the northern hemisphere. When it’s a summer solstice in the northern hemisphere, the sun appears directly over the tropic of cancer, the latitude line at 23.5 degrees north.

Edt — the june solstice. Edt (2051 gmt), and the summer solstice for the southern hemisphere occurs on dec.