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Spring is coming earlier in US this year than it has since 1896
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Spring is coming earlier in US this year than it has since 1896
This geostationary operational environmental satellite image (GOES) East image was captured on March 20, 2019, at 8 a.m. ET prior to the equinox. (Photo courtesy NOAA National Environmental Satellite, Data, and Information Service (NESDIS)) Those hoping for an early spring this year will get their wish.The vernal equinox will take place on March 19 throughout the entire United States including Alaska and Hawaii, almost 18 hours ahead of when the vernal equinox occurred in 2019. Moreover, the 2020 equinox will have arrived earlier than any other equinox in the last 124 years.The vernal equinox falling on March 19 is a phenomenon that has not occurred in the U.S. since 1896, according to Geoff Chester, the public affairs officer for the U.S. Naval Observatory. This is the same year Utah became the 45th state and automobiles became available to the public.The U.S. Naval Observatory oversees the so-called Master Clock, a system that keeps precise time for a host of clocks around the world used in GPS devices, cellphones and computers, among other things.Each year, the equinox is expected to take place either on March 20 or 21, but in 2020, the entire U.S. will experience the equinox on March 19.This shift in timing comes from the uneven amount of days fitting into a calendar year. Each rotation of Earth takes 23 hours, 56 minutes and 4.1 seconds, and doesn't fit exactly into a 24-hour day.The reason the 2020 equinox is particularly noteworthy is that it will be the first equinox since the one in 1896 to arrive early enough that it ends up occurring on March 19 throughout all U.S. time zones, Bob Berman, an astronomer at Slooh, told AccuWeather.During 2016, the most recent leap year, the equinox occurred on March 19 for Pacific and Central time zones, but not in the Eastern time zone where it fell on March 20.This year, the equinox will occur at 11:50 p.m. Eastern time on March 19, Chester explained, adding that the equinox will occur an hour earlier in each time zone going from east to west.In the Central time zone, the equinox will occur at 10:50 p.m. and spring will officially arrive at 9:50 p.m. and 8:50 p.m. in the Mountain and Pacific time zones, respectively.He said that in universal time, the equinox this year will take place at 3:50 UTC on March 20, while in 1896 it occurred at 2:23 UTC, meaning that the 2020 equinox will not break the record.In 2028, however, the equinox will occur at 2:18 UTC, beating the 1896 record. The next record to beat will be 15:04 UTC on March 19, which happened way back in 1696 and was the earliest equinox of the 17th century. The year 1600 was also a leap year. Balloons fly over the Pyramid of the Sun in Teotihuacan, Mexico, on the Spring equinox at sunrise, Thursday, March 21, 2019. (AP Photo/Marco Ugarte) In 2096, the last leap year of the century and therefore the year with the earliest equinox, it will occur at 14:06 UTC on March 19. Therefore, the 1696 record will not be broken at any point in this century.The Gregorian calendar, created by Pope Gregory in 1583, factors in the extra 56 minutes and 4.1 seconds by including an extra day in February every four years as a leap year. However, an extra day every four years is an overcorrection to the calendar, and Pope Gregory accounted for this. For every century year, the calendar resets by skipping leap year. Every 400 years, it does not reset and maintains the leap year. The year 2000 was a year that did not reset; therefore, it had an extra day.Berman said the skipped leap year will cause the remainder of the 21st century to have earlier leap year equinoxes. Each leap year for the rest of the century will arrive 43 minutes earlier than the leap year prior."We say that this is the earliest equinox of our lives, but we're going to keep saying that," Berman told AccuWeather. "We're going to be able to say that now every four years ... So we're going to keep having earliest-ever starts of spring," Berman said.In the years 300-400 A.D. the equinoxes fell on March 21, but because of the Julian calendar used at the time, which did not have the same 400-year system as the Gregorian calendar, the vernal equinox continued to occur earlier each year until it ended up landing on March 15 by the year 1000.If Pope Gregory had not replaced the calendar when he did, the calendar would be about 20 days off at this point, affecting not only the equinoxes but also seasons as a whole and holidays like Christmas, according to Berman. People walk through the candles during the spring equinox celebration at Cathedral Square in Vilnius, Lithuania, Wednesday, March 20, 2019. Lithuanians celebrate equinox every year around 20-21st of March. Spectacular fire signs and music mystery play are held in Vilnius center at that time. This tradition began in 1992, but it is in accordance with the ancient pagan rituals and symbolizes light victory against dark. (AP Photo/Mindaugas Kulbis) "If we stayed on the old Julian calendar, you would have a discrepancy of one day, roughly every 128 years. With the Gregorian system now we have a discrepancy of one day in something like 3,500 years," Chester told AccuWeather.The year 1583 was the first in which the new Gregorian calendar was adopted in Europe, and the equinox occurred on March 21, and a change was clearly in order. The year prior to the adoption of the new calendar, the Julian calendar miscalculated the equinox by 11 days. It "occurred" on March 10 in 1582.CLICK HERE FOR THE FREE ACCUWEATHER APPAccording to Berman, the inaccuracy of the Julian calendar was an issue for ancient people, who relied on equinoxes, as they are the only times that the sun rises exactly in the east and sets exactly in the west.Ancients would use the equinoxes to orient themselves and their homes. They also used it as a way to determine when the seasons were changing, which allowed them to prepare for the migration of animals they would hunt for food and determine what types of crops to begin planting.In modern times, many look to spring as the end of winter, with warmer weather ahead. Even though winter wasn't as harsh this year in many parts of the U.S., anyone longing for the milder air of spring should consult the AccuWeather 2020 Spring Forecast for a peek at what our forecasters say is in store after March 19.In the year 2100, the leap year will be skipped, resetting the calendar and pushing the equinox back to March 21. Chester said after this century, there will not be another equinox on March 19 until the year 2436."It's all normal, it's all part of the plan," Berman said. "Nothing to worry about, but it is producing the earliest equinox of our lives."Keep checking back on AccuWeather.com and stay tuned to the AccuWeather Network on DirecTV, Frontier and Verizon Fios.
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