Summer Solstice 2025 Date And Time In Usa. Fall begins on september 22 or 23 and ends on december 21 or 22. Every year, the earth celebrates the summer solstice on the longest day and shortest night of the year, which officially kicks off the summer season.
The sun then appears at its highest elevation at noon for observers in the northern. In 2025, the solstice moment will fall at 2:42 utc on june 21 (9:42 p.m.