Answer: hour

AnswerCrossword Clue
HOURRush ..
HOURHappy ...
HOURZero ...
HOUREleventh ..
HOURWhat the little hand shows
HOURDay division
HOUR"The .. of departure has arrived": Socrates
HOUR"Spring forward" amount
HOUR60 minutes
HOURTV drama length, often
HOUR"Fall back" interval
HOURTV drama length
HOURTime
HOURAppointment time
HOURUnit of college credit
HOURRush ... (commuters' headache)
HOUR"Rush ..." (Jackie Chan-Chris Tucker movie)
HOURBilling unit, for some
HOURHappy ending?
HOURLittle-hand indication
hourthe instant of death
HOUR"The Children's .." (Longfellow)
HOURDay part
HOURLunch break, perhaps
HOUROne of 24
HOURSixty minutes
HOURShrink's billable segment
HOURConsultant's billable unit
HOUROne of 24 at Le Mans
HOURZero or 11th follower
HOURHappy or zero follower
HOUR12 to 1, e.g.
HOURHappy ..
HOUR3,600 ticks
HOURSort of glass?
HOUREighth of a workday
HOURHow long to bake-but check sooner
HOURTime of day
HOURCuckoo's announcement
HOURCuckoo's call?