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In its apparent motion on the day of an equinox, the Sun's disk crosses the Earth's horizon directly to the east at sunrise; and again, some 12 hours later, directly to the west at sunset. The March equinox, like all equinoxes, is characterized by having an almost exactly equal amount of daylight and night across most latitudes on Earth. [14]
It is only after a complete Gregorian leap-year cycle of 400 years that the seasons commence at approximately the same time. In the 21st century the earliest March equinox will be 19 March 2096, while the latest was 21 March 2003. The earliest September equinox will be 21 September 2096 while the latest was 23 September 2003 (Universal Time).
Earth northward equinox: 26 March, 06:17: Venus at superior conjunction: 28 March, 18:48: Full moon: ... This page was last edited on 16 March 2021, at 02:17 (UTC).
The equinox occurs at 5:24 p.m. EDT Monday, March 20, the latest start to astronomical spring since 2019. This differs from meteorological spring, which beings on March 1 every year.
CL 0024+1654 is a massive galaxy cluster that lenses the galaxy behind it, creating arc-shaped images of the background galaxy. The cluster is primarily made up of yellow elliptical and spiral galaxies, at a distance of 3.6 billion light-years from Earth (redshift 0.4), half as far away as the background galaxy, which is at a distance of 5.7 ...
The first point of Aries, also known as the cusp of Aries, is the location of the March equinox (the vernal equinox in the northern hemisphere, and the autumnal equinox in the southern), used as a reference point in celestial coordinate systems. In diagrams using such coordinate systems, it is often indicated with the symbol ♈︎.
The Met Office explains the difference between meteorological spring and astronomical spring
March is the third month of the year in both the Julian and Gregorian calendars. Its length is 31 days. Its length is 31 days. In the Northern Hemisphere , the meteorological beginning of spring occurs on the first day of March.