![]() ![]() These variations in season length and season start would make it difficult to consistently and accurately compare climatological statistics from year to year. ![]() Plus, the elliptical shape of the Earth’s orbit causes the length of astronomical seasons to vary between 89 and 93 days. This years autumnal equinox occurs at precisely 7:30 AM on Tuesday, September 22nd, and though daylight and night will share almost equal portions of the clock. ![]() This causes the exact date of the solstices and equinoxes to vary. The winter solstice, also called the hibernal solstice, occurs when either of Earths poles reaches its maximum tilt away from the Sun.This happens twice yearly, once in each hemisphere (Northern and Southern). In the Celtic Druid culture, the Winter Solstice was. In pagan Scandinavia the winter festival was the Yule, celebrated by burning the hearth fires of the magically significant Yule log. 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. In the Northern Hemisphere it usually occurs around December 21st. Since the Earth actually makes a trip around the sun every 365.25 days, an extra day is needed every four years (which is why we have a Leap year!). The Winter Solstice is the shortest day of the year, with the sun at its lowest and weakest. Sun rise/set and day length around this solstice. The dates for equinoxes and solstices in the Northern and Southern Hemispheres are the same, but in opposite seasons. Published J 6 min read As the summer solstice draws closer, Stephen Meyers has been welcoming the few extra minutes of sunlight each day that light up his walk home. In Roanoke Rapids, North Carolina, USA: Thursday, Decemat 10:27 pm EST (Change location) This corresponds to Friday, Decemat 03:27 UTC. Dates and times for the current year and the 2021-2030 decade. Photo courtesy Why can’t meteorologists, climatologists, and astrologists just agree on seasons, and make it easier for all of us?Įarth’s rotation forms the basis for the astronomical calendar – the one that defines seasons based on equinoxes and solstices. The turning of the Earth’s seasons (solstices and equinoxes) and apsides (perihelions and aphelions) are times often used in observational astronomy and also of interest to the public. Summer Solstice, Southern Hemisphere (December) Australia, New Zealand, South America, southern Africa. ![]()
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