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Astronomical almanacs define the solstices as the moments when the Sun passes through the solstitial colure, i.e. the times when the apparent geocentric celestial longitude of the Sun is equal to 90° (June solstice) or 270° (December solstice). [29] The dates of the solstice varies each year and may occur a day earlier or later depending on ...
Front right: summer solstice for the Southern Hemisphere. Although the summer solstice is the longest day of the year for that hemisphere, the dates of earliest sunrise and latest sunset vary by a few days. [8] This is because Earth orbits the Sun in an ellipse, and its orbital speed varies slightly during the year. [7]
The June solstice is the solstice on Earth that occurs annually between 20 and 22 June according to the Gregorian calendar. In the Northern Hemisphere , the June solstice is the summer solstice (the day with the longest period of daylight), while in the Southern Hemisphere it is the winter solstice (the day with the shortest period of daylight).
Your local time zone in relation to UTC determines the time and even the date that the solstice happens for you. For instance, that’s 1:51 p.m. in Los Angeles, 4:51 p.m. in New York City, 9:51 p ...
The summer solstice marks the first day of the summer season. In the northern hemisphere, the 2023 summer solstice begins on Wednesday, June 21.
When does winter start? In 2023, the winter solstice date is Thursday, December 21. So, what is the winter solstice, and why does it happen?
The Pope wanted to continue to conform with the edicts of the Council of Nicaea in 325 AD concerning the date of Easter, which means he wanted to move the vernal equinox to the date on which it fell at that time (21 March is the day allocated to it in the Easter table of the Julian calendar), and to maintain it at around that date in the future ...
Dates Lichun: 315° 4–5 February ... Xiàzhì is the 10th solar term, and marks the summer solstice, [1] ... 2023-06-21 14:57 2023-07-07 08:30 甲辰