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Vernal equinox and autumnal equinox: these classical names are direct derivatives of Latin (ver = spring, and autumnus = autumn). These are the historically universal and still most widely used terms for the equinoxes, but are potentially confusing because in the southern hemisphere the vernal equinox does not occur in spring and the autumnal ...
The March equinox is known as the vernal equinox (spring equinox) in the Northern Hemisphere and as the autumnal equinox (autumn equinox or fall equinox) in the Southern Hemisphere. [ 8 ] [ 7 ] [ 10 ]
The Northern Hemisphere’s spring — or vernal — equinox can land between March 19 and 21, depending on the year. Its fall – or autumnal — equinox can land between Sept. 21 and 24. What is the solstice? The solstices mark the times during the year when the Earth is at its most extreme tilt toward or away from the sun.
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 vernal equinox happens every year, yet most people don't know what it is or why it's important. Here's the scientific—and spiritual—scoop on the first day of spring. The post When Is the ...
The Met Office explains the difference between meteorological spring and astronomical spring
The spring equinox—aka the vernal equinox or simply, “the first day of spring”—is coming up this Saturday, March 20th. In the Northern Hemisphere, this means that the sun crosses over the ...
Given the different Sun incidence in different positions in the orbit, it is necessary to define a standard point of the orbit of the planet, to define the planet position in the orbit at each moment of the year w.r.t such point; this point is called with several names: vernal equinox, spring equinox, March equinox, all equivalent, and named considering northern hemisphere seasons.