aurora
break
break of day
brightening
chanticleer
cockcrow
cocklight
crack of dawn
dawing
dawn
dawning
day-peep
daylight
dayspring
first brightening
greking
light
morn
morning
peep of day
prime
sunrise
sunup
vestibule of Day
hour
time of day
a.m
midday
midnight
nightfall
noon
sundown
sunset
night