![]() We have equal days and nights during September Equinox (also during March Equinox). Illumination of Earth by the Sun on the day of the equinox (fall or spring). September Equinox – First Day of Spring in Southern Hemisphere On the other hand, due to the earth’s tilt, the equinox that occurs in September in the northern hemisphere is the Fall or Autumn Equinox. Marks the first day of fall, therefore, Fall Equinox.įrom the above comparison chart, it is clear that the equinox that occurs in September in the southern hemisphere is the Spring Equinox. Marks the first day of spring, therefore, Spring Equinox. It marks the first day of summer, therefore, Summer Solstice. It marks the first day of winter, therefore, Winter Solstice. In the northern hemisphere, it marks the first day of spring, therefore, Spring or Vernal Equinox. In the southern hemisphere, it marks the first day of fall, therefore, Fall or Autumn Equinox. Or, the first day of spring in the southern hemisphere is actually the official first day of spring or not? Therefore, I would suggest you stick with me till the end. Moving ahead, in this article, we will talk about some of the exclusive facts like why there is a mismatch between the north and south equinoxes. CONFUSED? Don’t worry, we will talk about it in a later section. Regardless of the fact whether you are living in Newyork (northern hemisphere) or Sydney (southern hemisphere), the length of the day and night are almost exactly equal on the eve of the Equinox. In other words, the meaning of the Equinox changes depending on the fact that at which side of the earth you live. ![]() On the other hand, for the people living in the northern hemisphere, this Equinox marks the arrival of the official first day of fall in the northern hemisphere. In 2023, the official first day of spring in Australia (southern hemisphere) will occur on Saturday, September 23, at sharp 16:50 Australian Eastern Standard Time (AEST). That’s why in the earth’s southern areas, the September Equinox is known as the Spring Equinox. That extra quarter of a day (about six hours) is part of the reason the vernal equinox fluctuates by about six hours every year.įun fact: The extra quarter of a day is also why we have a leap year every four years.September Equinox marks the arrival of the first day of spring in the southern hemisphere. The Earth takes about 365.25 days to complete a revolution around the sun. Why the variation in dates? Believe it or not, it has to do with the Earth's revolution around the sun. The beginning of spring varies year to year. So, does spring always begin on the same calendar date and at the same time? It's also known as astronomical spring, March equinox, spring equinox or the vernal equinox. You're probably more familiar with the “first day of spring” that shows up on the calendar. ![]() It’s a three-month season which makes it helpful for analyzing data and seasonal trends. Meteorological spring always begins on March 1 and runs through May 30. The amount of time Earth takes to revolve around the sun plays a role in when a season begins.The calendar date and time for March's equinox fluctuates.Astronomical spring usually begins Sunday, March 20 in the United States.Meteorological spring and astronomical spring have different meanings.
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