"equinox" in Chinese (Traditional)
春分秋分
Definition
春分和秋分是一年之中日夜幾乎等長的時刻，當時太陽直射赤道。
Usage Notes (Chinese (Traditional))
“春分”“秋分”常用於天文、氣象及農業等語境，象徵春季與秋季的開始。別與“至日”混淆——後者指白晝或黑夜最長的一天。
Examples
The spring equinox marks the start of spring.
春**分**代表春天的開始。
There are two equinoxes each year.
每年有兩個**分**日。
During the equinox, day and night are almost equal.
在**分**日時，白天和黑夜幾乎一樣長。
People celebrate the equinox with festivals in many cultures.
很多文化會以節日慶祝**分**日。
The equinox always inspires beautiful photos of the sunrise.
**分**日總是啟發拍攝美麗的日出照片。
Most years, the equinox falls around March 20th or September 22nd.
大多數年份，**分**日約在3月20日或9月22日。