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春分是二十四節氣的第四個節氣,也是春季90天的中分點。今年的春分始于3月21日。
古時以立春至立夏為春季,春分正當春季三個月之中,平分了春季,春分因此得名。與此同時,春分當日也標志著白天黑夜的平分,則晝夜各分12個小時。
春分這天太陽直射赤道,南北半球季節相反,北半球是春分,南半球是秋分。北半球從冬至起白晝逐漸變長,但從春分起白晝才比黑夜長。
春分的意義是世界性的。伊朗日歷年的第一天是從北半球春分日的午夜開始。同時,春分也是阿富汗、土耳其等國的新年。日本人常在春分當日掃墓,在阿拉伯世界人們則在春分當日慶祝母親節。
放風箏是春分時節常見的一項休閑娛樂活動。人們常常在風箏上寫上祝福的詞語,再將其放飛到天上,希望天上的神能看到。
四千年前,華夏先民就開始以春分豎蛋(也稱春分立蛋)的方式慶賀春天的來臨 ,“春分到,蛋兒俏”的說法流傳至今。
許多農民選擇春分這一天放假,而且還要把不用包心的湯圓煮好,用細竹叉扦著置于室外田邊地坎,名曰粘雀子嘴,免得雀子來破壞莊稼。
The traditional Chinese lunar calendar divides the year into 24 solar terms. Spring equinox, the fourth solar term of the year, signals we have reached halfway through spring. This year's spring equinox begins on March 21.

 
Spring equinox divides the spring season, usually 90 days, in equal halves. It also is a day when the duration of day and night are 12 hours each, to the exact.
It is spring equinox in the Northern hemisphere, and autumn equinox in the Southern. The duration of the day also begins to be longer than night after spring equinox.
The Iranian calendar starts on spring equinox. It is also the new year in Afghanistan, Turkey and others. The Japanese often pay respects to their ancestors on this day, and some part of the Arabic world celebrates Mother's day.
Flying kites is a common leisure activity during spring equinox. People often write auspicious words on their kites and hope that gods above would see it when their kites are flown high in the sky.
The custom of making an egg stand to welcome spring equinox dates back to more than 4,000 years. It is still believed today that a standing egg on spring equinox can bring about a year worth of good fortune.
Many farmers would take the day off and eat glutinous rice balls on spring equinox. Furthermore, glutinous rice balls with no fillings are skewered and placed outside near the fields for the birds to prevent them from picking at the crops.
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