Last Updated:2025/12/01
(astronomy) The moment when the sun crosses the celestial equator while heading southward, occurring on September 22–23. That would be autumnal equinox in the northern hemisphere and vernal equinox in the southern hemisphere.
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September equinox
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Source Word
September equinox
Noun
uncountable
usually
Japanese Meaning
9月の分点。太陽が天の赤道を南に横切る瞬間のことで、北半球では秋分、南半球では春分に該当する。
( plural )