In fact, Earth is closer to the sun during winter than it is in the summer months.įor those who don't like jack frost nipping at their noses, mark your calendars: The first day of spring, also called the vernal equinox, happens on Sunday, March 20, at 11:33 a.m.
The tilt of the Earth - not our distance from the sun - is what causes winter and summer. Starting Wednesday, the day will be a scant two seconds. During the winter solstice, the Northern Hemisphere is tilted at its farthest distance from the sun, bringing less light and colder temperatures. In Washington, D.C., there are 9 hours and 26 minutes of daylight on the winter solstice, with sunrise at 7:23 a.m. The 23.5-degree tilt in Earth's axis of rotation creates a rise and fall appearance of the sun over the course of a year. Based on the meteorological definition, the first day of winter started on December 1 and the last day was February 28. In the Southern Hemisphere, it's the summer solstice and the longest day of the year. Based on the astronomical definition, winter began on the winter solstice on Decemand ended on the spring equinox on March 20, 2022. 21, marking the official start of the astronomical winter and the shortest day of the year for the Northern Hemisphere. The first day of winter is called the winter solstice and its an astronomical event which occurs this year in Arizona on Dec. The 2021 winter solstice occurred at 10:59 a.m. The winter solstice marks the shortest day of the year in terms of hours of daylight.
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