daytime(n = noun.time) day, daylight - 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"
is a kind of period, period of time, time period
is a part of 24-hour interval, day, mean solar day, solar day, twenty-four hour period, twenty-four hours
has parts: forenoon, morn, morning, morning time
has particulars: afternoon, midafternoon, eve, even, evening, eventide

daytime, n. the part of the day when there is natural light.