equinoctial
🇺🇸
/ˌiːkwɪˈnɑːkʃl/
🇬🇧
/ˌiːkwɪˈnɒkʃl/
adjective
R
relating to an equinox, when day and night are of equal length
During the equinoctial period, the sun shines directly on the equator, causing equal day and night.
春分と秋分の期間中、太陽は赤道に直接照射し、昼夜が等しくなります。
translation
春分または秋分の