Meteorologists and climatologists consider March 1 the first day of spring, but astronomically speaking, the Earth’s equator is aligned directly with the sun on the vernal equinox.
, but astronomically speaking, the Earth’s equator is aligned directly with the sun on the vernal equinox. In 2022, that occurs March 20 at 11:33 a.m. Eastern time.
The Earth is tilted approximately 23.5 degrees off a vertical axis, and because of this tilt, the most direct sunlight is aimed at the Southern Hemisphere during our astronomical winter and at the Northern Hemisphere during our astronomical summer.are simply precise moments in time when the sun is in direct alignment with three distinct bands of latitude. since it takes the Earth 365 days and 6 hours to make one full revolution around the sun, which is why we have a leap year every four years.
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