What Is the Equinox? And What Is the Solstice? - timeanddate.com
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. On the date of the summer solstice, all locations in that hemisphere experience their longest days and shortest nights.
Summer solstice - Wikipedia
The summer solstice is the day with the longest period of daylight and shortest night of the year in that hemisphere, when the sun is at its highest position in the sky. At either pole there is continuous daylight at the time of its summer solstice.
What's the Difference Between a Solstice and an Equinox?
Vernal equinox(about March 21): day and night of equal length, marking the start of spring; Summer solstice (June 20 or 21): longest day of the year, marking the start of summer; Autumnal equinox(about September 23): day and night of equal length, marking the start of autumn
When Do the Seasons Start and End in 2025? | Spring Equinox, Summer …
2025年1月2日 · When do the four seasons start in 2025—for spring, summer, fall, and winter? Here are the equinox and solstice dates—plus, answers to common questions about the seasons of the year in North America.
Seasons: Dates of Spring, Summer, Fall & Winter - timeanddate.com
The Seasons Calculator shows the times and dates of Vernal (Spring) & Autumnal (Fall) equinoxes and Summer and Winter solstices all over the world.
June Solstice: Shortest and Longest Day of the Year - timeanddate.com
The June solstice marks the start of summer in the Northern Hemisphere and the start of winter in the Southern Hemisphere, according to one definition. Equinox and solstice dates—years 1-2149. Sunrise and Sunset Times Lag Behind. The longest day of the year is commonly associated with the earliest sunrise and latest sunset of the year.
Equinox - Wikipedia
On the day of the equinox, the Sun appears to rise "due east" and set "due west". This occurs twice each year, around 20 March and 23 September. [a] More precisely, an equinox is traditionally defined as the time when the plane of Earth's equator passes through the geometric center of the Sun's disk.
The Seasons, the Equinox, and the Solstices - National Weather Service
The Equinox (Vernal & Autumnal) There are only two times of the year when the Earth's axis is tilted neither toward nor away from the sun, resulting in a "nearly" equal amount of daylight and darkness at all latitudes.
Summer solstice 2024: When is the solstice, why does it happen, …
2024年5月17日 · In 2024, the summer solstice will occur at 4:50 p.m. EDT on June 20, according to timeanddate.com. Here's everything you need to know about the Northern Hemisphere's longest day of the year.
Summer Solstice 2025: When Is The First Day of Summer?
2025年1月2日 · Summer begins with the solstice on Friday, June 20, 2025, marking the astronomical first day of summer in the Northern Hemisphere. What exactly IS the summer solstice? Is it really the longest day of the year?