In many other countries, both definitions are used, depending on the context. For example, Australia and New Zealand use the meteorological definition, so spring begins on September 1 each year. The question which definition to use divides countries and regions around the world. The Sun: Our home star Different Countries, Different Seasons winter starts June 1 and ends August 31.fall (autumn) starts March 1 and ends May 31 and.summer starts December 1 and ends February 28 (February 29 in a Leap Year).spring starts September 1 and ends November 30.The meteorological seasons in the Southern Hemisphere are also opposite to those in the Northern Hemisphere: The same rule applies for the other seasons. For example, under the definition of astronomical seasons, the June solstice marks the start of summer in the Northern Hemisphere, but it is the start of winter in the Southern Hemisphere. Seasons in the Southern Hemisphere are opposite to those in the Northern Hemisphere. When the Northern Hemisphere gets most sunlight (summer), the Southern Hemisphere gets least (winter). winter runs from December 1 to February 28 (February 29 in a leap year).fall (autumn) runs from September 1 to November 30 and.The beginning of each season marks the end of the last.īecause the timings of the equinoxes and solstices change each year, the length of astronomical seasons within a year and between years also vary.Įquinoxes and solstices dates worldwide Meteorological SeasonsĪccording to the meteorological definition, the seasons begin on the first day of the months that include the equinoxes and solstices. Fall (autumn) begins on the fall equinox and.The astronomical definition uses the dates of equinoxes and solstices to mark the beginning and end of the seasons: Two methods are most commonly used to define the dates of the seasons: the astronomical definition and the meteorological definition.Įarth: The living planet Astronomical Seasons However, the dates when the seasons begin and end vary depending on whom you ask. Since the year has 12 months, each season lasts about three months. In most cultures, including all western countries, the year is commonly divided into four seasons: The Earth's axis is slightly tilted in relation to its orbit around the Sun. The four seasons are spring, summer, fall (autumn), and winter. Business Date to Date (exclude holidays).
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