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.
translation
relating to an equinox, when day and night are of equal length