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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. The opposite event is the winter solstice.
The summer solstice in 2023 will take place today, Wednesday 21 June, at precisely 3:58pm BST in the UK and 10:58am ET / 7:58am PT in the US. Contrary to popular belief, the solstice is an exact moment and not the entire day.
Find out the dates and times of the summer solstice in the Northern and Southern Hemispheres, and how it marks the start of summer. Learn about the astronomical and meteorological definitions of summer, and the traditions and folklore around the solstice.
21 cze 2023 · Learn how the June solstice marks the start of summer and the tilt of Earth toward the sun. See the moon, Venus and Mars in a celestial triangle tonight.
20 cze 2023 · The summer solstice is upon us: Wednesday, June 21, is the longest day of 2023, and the start of the summer season, for anyone living north of the equator.
Learn about the June solstice, when the Sun is directly above the Tropic of Cancer in the Northern Hemisphere. Find out the date, time, and facts about the longest day of the year north of the equator and the shortest day in the south.
21 cze 2023 · Learn about the astronomical start of summer, the longest day of the year, on June 21, 2023. Find out why the Earth's tilt and orbit affect the daylight hours and seasons, and discover some fun facts about solstices and equinoxes.
