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.

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? Welcome the …

2017年8月10日 · The summer solstice falls between June 20 and 22 in the Northern Hemisphere. The longest day of the year, it has inspired celebrations for millennia.

2025年1月9日 · 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 Hemisphere (December 21 or 22). Learn more about the summer solstice in this article.

The summer solstice marks the start of summer. In the Northern Hemisphere, the summer solstice is in June; south of the equator, it is in December. In temperate climes, the summer season brings warm weather and long days.

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.

2022年9月26日 · The summer solstice marks the official start of astronomical summer and the longest day of the year. It occurs when one of Earth's poles is tilted toward the sun at its most extreme angle, and...

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...

2024年12月17日 · solstice, either of the two moments in the year when the Sun’s apparent path is farthest north or south from Earth’s Equator. In the Northern Hemisphere the summer solstice occurs on June 20 or 21 and the winter solstice on December 21 or 22.

On the summer solstice, the Northern Hemisphere receives more sunlight than on any other day of the year—but that doesn't mean the first day of summer is also the hottest. Earth's oceans and...