equidiurnal
Adjective
Meaning
Pertaining to the time of equal day and night; -- applied to the equinoctial line.
Source: Webster's dictionarySynonyms
diurnal
daily
daytime
nighttime
nightly
nocturnal
circadian
24-hour
awake-asleep
sunrise-sunset
sunlit-moonlit
sunshine-moonshine
light-dark
morning-evening
sun-up-sun-down
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