Answer: sunup

AnswerCrossword Clue
SUNUPWhen a cock crows
SUNUPCockcrow.
SUNUPEarly time.
SUNUPDayspring.
SUNUPMorning.
SUNUPTime of day
SUNUPLula Vollmer hit of 1920's
SUNUPEos's time
SUNUPAurora's big moment
SUNUPEarly time
SUNUPCrowing cue
SUNUPTime of day.
SUNUPTime to rise, for some
SUNUPTime to rise, for many
SUNUPTime to rise, maybe
SUNUPDracula's curfew
SUNUPPaper delivery time
SUNUPDaily start
sunupsunrise (the ascent of the sun above the horizon in the morning)
sunupthe rise of the sun above the horizon
sunupsunrise
SUNUPTime to crow
SUNUPWhen vampires must be home by, traditionally
SUNUPDracula's bedtime
SUNUPFirst light
SUNUPBedtime for a vampire
SUNUPRooster's inspiration
SUNUPBreak of day
SUNUPStart of the day
SUNUPDaybreak
SUNUPCrack of dawn
SUNUPMorning's awakening
SUNUPDawn
SUNUPWhen day begins
SUNUPCrow inducer
SUNUPRooster's cue
SUNUPDawn.
SUNUPEarly morn.
SUNUPSix in the morning.
SUNUPBreak of day.