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).

In the Northern Hemisphere the June solstice marks the start of summer: this is when the North Pole is tilted closest to the Sun, and the Sun’s rays are directly overhead at the Tropic of Cancer.

In the Northern Hemisphere, the June solstice and December solstice can be referred to as the summer solstice and winter solstice. In the Southern Hemisphere, June is winter and December is summer.

The summer solstice occurs at the moment the earth's tilt toward/from the sun is at a maximum. Therefore, on the day of the summer solstice, the sun appears at its highest elevation with a …

The Autumn or Fall Equinox signals the end of Summer on the astronomical calendar. As with the Spring Equinox this is a point of seasonal equilibrium with days and nights being almost exactly 12 …

Jun 17, 2025 · Equinoxes happen at the two points of the orbit when the Sun appears directly over the equator. The solstices and equinoxes divide the year into four parts: spring, summer, autumn and …

While the northern hemisphere experiences summer, the southern hemisphere is experiencing winter. That said, the conventional method for naming the solstices and equinoxes is by the seasons of...

Jun 9, 2025 · The longest day of the year falls on either June 20 or 21 every year in the Northern Hemisphere. Here's everything you need to know about the science, and timing, of the summer 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 …

Northward equinox and southward equinox: names referring to the apparent direction of motion of the Sun. The northward equinox occurs in March when the Sun crosses the equator from south to north, …