First Day Of Summer 2025 Usa Time. Plus see the interesting traditions for this change of seasons! In 2025, the solstice moment will fall at 2:42 utc on june 21 (9:42 p.m.
The following table shows the dates together with the exact time in which each of the seasons of the year begin. Summer begins with the solstice on thursday, june 20, 2024, marking the astronomical first day of summer in the northern hemisphere.