Introduction: The Spring Equinox is the midpoint of spring and one of the important solar terms. So when is the Spring Equinox this year? The beautiful spring has arrived, flowers are blooming, birds are singing, all things are beginning to wake up, and there is a vibrant scene everywhere. The Fortune Teller website takes you to experience the second month of the lunar calendar in 2018!When is the Spring Equinox in 2018?Lunar calendar February 5, 2018 (lunar calendar) Gregorian calendar March 21, 2018 Wednesday Aries (solar calendar) Solar term Spring Equinox: March 21, 2018 Wednesday 00:14:29What is the origin of the Spring Equinox?The Spring Equinox was also called "the middle of the day", "the division of day and night", and "the mid-spring month" in ancient times. "The History of Ming Dynasty·Calendar 1" said: "The equinox is the point where the ecliptic and the red intersect. When the sun reaches this point, the day and night are equal." Therefore, the significance of the vernal equinox is, firstly, that the day and night are equal in one day, 12 hours each; secondly, in ancient times, the spring season lasted from the beginning of spring to the beginning of summer, and the vernal equinox falls in the middle of the three months of spring, dividing the spring season equally. "Collected Explanations of the 72 Seasonal Changes in the Lunar Calendar": "In the middle of February (in the Xia calendar), 'equinox' means half, which is half of the ninety days, so it is called 'equinox'. It has the same meaning as 'autumn'." "Spring and Autumn Annals: The In and Out of Yin and Yang" by Dong Zhongshu of the Han Dynasty: "In the middle of spring, the yang is due east and the yin is due west, which is called the spring equinox. The spring equinox means that the yin and yang are half and half, so the day and night are equal and the cold and heat are balanced." The corresponding phenological phenomenon in the ancient Yellow River Basin was "the arrival of the black bird, the sound of thunder and the beginning of lightning." At this time, overwintering crops in most parts of my country enter the spring growth stage.Summary: The above is [What is the date of the Spring Equinox in 2018? What is the origin of the Spring Equinox? 】, I hope the entire content can be helpful to everyone! |
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