What Day Is The Summer Solstice 2025 Date. Summer begins with the solstice on thursday, june 20, 2024, marking the astronomical first day of summer in the northern hemisphere. It happens each year when one of the earth's poles.
In 2025 the june solstice in europe will be on saturday , 21st of june 2025, around 04:41 pm; On the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial.