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Is March 21 Always The Official First Day Of Spring?

The first day of Spring, also known as the vernal equinox, generally falls on either March 20th or 21st in the Northern Hemisphere. However, whether or not March 21st is always the official first day of spring depends on how one defines “official.”

From an astronomical perspective, the first day of spring marks the moment when the tilt of the Earth’s axis is perpendicular to the sun’s rays, resulting in equal amounts of daylight and darkness at all latitudes. This moment is known as the vernal equinox and occurs when the sun is directly above the equator. Because the Earth’s orbit around the sun is not precisely 365 days long, the exact date and time of the vernal equinox can vary from year to year. In some years, the equinox may occur on March 20th, while in others, it may occur on March 21st.

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However, from a meteorological perspective, the first day of spring is often defined as March 1st. This is because meteorologists divide the year into four seasons of three months each, with spring encompassing the months of March, April, and May. Using this definition, the first day of spring always falls on March 1st, regardless of the exact timing of the vernal equinox.

So, while March 21st is often considered the traditional start of spring, it is not always the official first day of the season, depending on whether one is using an astronomical or meteorological definition. Nonetheless, regardless of the definition used, the arrival of spring is typically marked by warmer temperatures, longer days, and the blooming of plants and flowers after the cold winter months.

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The post Is March 21 Always The Official First Day Of Spring? appeared first on CLICKBANK QUEEN.



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Is March 21 Always The Official First Day Of Spring?

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