Thanks to the rotational and translational movements of the Earth we can enjoy four different seasons in the same year, although in some parts of the world it is noticeable much more than in others. For example, when the autumnal equinox it is the moment that marks the passage from summer to autumn. From here, in the areas where the change of season is more marked, it will begin to cool and the leaves of the trees will change color and fall.
Do you want to know when is the autumnal equinox this year? Are you looking to learn more about this time of year? So, don't stop reading this short article by Green Ecologist in which we talk about the autumnal equinox 2022 in the northern and southern hemisphere.
As a summary, we can indicate that the autumn equinox It is the time of the year in which, thanks to the movements of the Earth, the Sun begins to form a perpendicular axis with the line of the equator. Thus, the length of this day is exactly equal to the length of the night on the entire Earth, that is, that same day on the entire planet there are the same number of hours of day and night. In fact, "equinox", which comes from the Latin, means "equal night". There are two equinoxes throughout the year, the spring and the fall.
As a curiosity, we can talk about the fact that within the Anglo-Saxon culture there is a feast of the autumnal equinox and is known by the name of haleg-monath ("holy month"). However, it is also known as Mabon. Another curiosity about the equinoxes is that they not only happen on Earth, but they occur in the other planets but the different form of their movements with respect to the Sun makes these, as well as the solstices and, in short, the seasons, also change, having more or less number of stations and these being more or less less long than those on Earth.
Fortunately, thanks to the visionaries of antiquity and the evolution of the science of astronomy, we can easily know the details that determine on which day each equinox and solstice falls. Below we clarify when the autumn equinox is this year in both hemispheres:
In the case of the northern hemisphere, the autumnal equinox occurs between September 22 and 23. This year, 2022, happens the day Wednesday 22 September at 21:20 UTC. From here there will be the autumn season, which will last until September 21, the time of the winter solstice and, therefore, the winter season will begin.
On the other hand, at this very moment, in the South, what happens is not the beginning of autumn, but the season of spring arrives. Therefore, there this transition on September 22 is the change of the spring equinox. Here you can learn much more about the 2022 Spring Equinox: Northern and Southern Hemisphere.
In the southern hemisphere, the autumnal equinox happens at the moment when the spring season is beginning in the north, that is, just the opposite. Therefore, the autumnal equinox of 2022 in the southern hemisphere occurs on the day Saturday March 20 at 09:37 UTC, although it usually occurs between March 20 and 21, depending on the year.
In the equinoxes the Sun begins to form an axis perpendicular to the line of the equator and, instead, in the solstices These are the moments when the Earth's axis is at its maximum inclination with respect to the Sun, which is why both day and night are longest of the year. Thus, we can differentiate the autumnal equinox and the spring equinox Y the winter solstice and the summer solstice, giving alternately, an equinox and then a solstice successively, so that throughout the year we can see that we begin and end with the winter season (which began in December and ends in March), we continue with spring, then with summer and we come to autumn, which connects again with winter.
Learn more about the solstices with these other Green Ecologist articles on Winter Solstice 2022: Northern and Southern Hemisphere and Summer Solstice 2022: Northern and Southern Hemisphere.
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