2. RELATIVE TIME; Time with reference to succession
[Nouns] morning, morn, forenoon, a.m., prime, dawn, daybreak; dayspring, foreday, sunup; peep of day, break of day; aurora; first blush of the morning, first flush of the morning, prime of the morning; twilight, crepuscule, sunrise; cockcrow, cockcrowing; the small hours, the wee hours of the morning.
spring; vernal equinox, first point of Aries.
noon; midday, noonday; noontide, merodoam, prime; nooning, noontime.
summer, midsummer, dog days.