juyapyeongbunui
equinoctial
équinoctial ; équinoxial
주야평분의 날은 낮과 밤의 길이가 같은 날입니다.
juya pyeongbun-ui nal-eun naggwa bam-ui gili-ga gat-eun nal-imnida.
The equinoctial day is the day when the length of day and night is the same.
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