period, period of time, time period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"

daylight, daytime, day - the time after sunrise and before sunset while it is light outside; "the dawn turned night into day"; "it is easier to make the repairs in the daytime"

early-morning hour - an hour early in the morning

farewell, word of farewell - an acknowledgment or expression of goodwill at parting

greeting, salutation - (usually plural) an acknowledgment or expression of good will (especially on meeting)

time of day, hour - clock time; "the hour is getting late"

start - the beginning of anything; "it was off to a good start"

antemeridian - before noon