Other hyponyms of time of day include
high noon,
midday,
noon,
noonday,
noontide,
twelve noon,
mealtime,
late-night hour,
midnight,
small hours,
bedtime,
closing time,
aurora,
break of day,
break of the day,
cockcrow,
dawn,
dawning,
daybreak,
dayspring,
first light,
morning,
sunrise,
sunup,
early-morning hour,
sundown,
sunset,
crepuscle,
crepuscule,
dusk,
evenfall,
fall,
gloam,
nightfall,
twilight,
none,
happy hour,
rush hour,
zero hour,
canonical hour.