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.

youdao

答案是肯定的，日落(日出)速度较快出现在春分或秋分时。

The answer is yes, the fastest sunsets (and sunrises) occur at or near the equinoxes.

youdao

我想我可能会发现春分或秋分，以玛雅母亲松开。

I think I will probably find a vernal equinox or Autumnal equinox, with a Mayan mother let go.

youdao