Answer:

noon

Answer	Crossword Clue
NOON	High time
NOON	High time?
NOON	Midday

NOON	Twelve
NOON	Common lunch time
NOON	It's high daily
NOON	When both hands are up
NOON	"High ...."
NOON	Eleven follower
NOON	High ..
NOON	What sirens may signify

NOON	When a whistle may blow
NOON	Eight bells, maybe
NOON	It's between 11 and 1
NOON	Technically, it's neither a.m. nor p.m.
NOON	Midnight's antithesis
NOON	Koestler's "Darkness at ..."
NOON	Morning's end
NOON	"Darkness at ..." (Arthur Koestler novel)

NOON	When shadows are short
NOON	When hands are up?
NOON	Arrival time of Frank Miller's train, in a 1952 film
NOON	Lunch time
NOON	When both hands are together
NOON	Whistle hour
NOON	It may come before one
NOON	Showdown time, in a 1952 film

NOON	When time is up?
NOON	Whistle time
NOON	Time for lunch
NOON	It can follow eleven
NOON	11 follower
NOON	Hands-up time?
NOON	Certain halfway point
NOON	Palindromic time

NOON	12
NOON	Cinematic showdown hour
NOON	When two hands meet?
NOON	It's between eleven and one
NOON	Lunch time, often