Vernal Equinox or Spring Equinox is the fourth solar terms in the total twenty-four. It’s the middle of spring and usually on the 20 or 21 of March every year. On this day, the sun directly blazes down the equator, so that day and night is equal in length. Because it’s the middle of spring, the weather is so comfortable and the scenery is beautiful that people are likely to go out for a hiking. It’ s also a good time for crop growing, so the farmers are often busy in this period.

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