夏天的时间长，冬天的时间短；只有在春秋分点，白天和黑夜的时间才相等。
Summer hours were long, winter ones short; only at the spring and autumn equinoxes were the hours of daylight and darkness equal.
今年，春季开始于3月20日星期六，这是因为这一天是日历里的春分点。 春分点或秋分点，意味着每年的春季和秋季开始了。
This year, spring starts Saturday, March 20, because that is when the so-called vernal equinox occurs.
赤道和黄道的另一个相交点叫作秋分点。
The other point of intersection of equator and the ecliptic is called the Autumnal Equinox.
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