The summer solstice or estival solstice[i] occurs when one of Earth 's poles has its maximum tilt toward the Sun. It happens twice yearly, once in each hemisphere (Northern and Southern).

Sep 26, 2022 · When the Northern or Southern Hemisphere is most tilted towards the sun, it experiences the summer solstice; when it is most tilted away, it experiences the winter solstice.

Jun 20, 2025 · Peak sunshine has arrived in the Northern Hemisphere — the summer solstice. Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical …

Dec 19, 2025 · Summer solstice, the two moments during the year when the path of the Sun in the sky is farthest north in the Northern Hemisphere (June 20 or 21) or farthest south in the Southern …

Astronomical summer begins at the summer solstice, which is the longest day of the year. This means days get shorter during summer—very slowly at first, but at ever-larger daily intervals as the …

Jun 9, 2025 · What is the summer solstice, and when does it happen? The longest day of the year falls on either June 20 or 21 every year in the Northern Hemisphere.

In the Southern Hemisphere, the Summer Solstice occurs when the sun is directly above the Tropic of Capricorn, usually December 21. The solstice days are the days with the most (for Summer) or …

Jun 19, 2025 · What is the summer Solstice? The summer solstice occurs when the Earth's semi-axis in a given hemisphere reaches its maximum tilt toward the sun, approximately 23° 26'.

Jun 18, 2025 · The summer solstice marks the first day of summer in the Northern Hemisphere. This is what it means and why it happens.

Jun 18, 2025 · Summer begins in the Northern Hemisphere on Friday, June 20, at 10:42 p.m. Eastern Daylight Time. This annual event, known as the June solstice, marks a specific point in Earth’s orbit. …