ADJ

solid
I slept for eight solid hours

VERB + HOUR

take
It takes two hours to get to London
spend
last
The performance lasted three hours
gain, lose
You gain five hours when you fly from New York to London

HOUR + VERB

go by, pass
An hour passed and she still hadn't arrived

PREP

by the ~
They're paid by the hour
for an ~
She worked for three hours
in/ within an ~
I should be back within a couple of hours
over/under an ~
He's been gone for over an hour
per ~
Top speed is 120 miles per hour
within the ~
We hope to be there within the hour (= in less than an hour)
~ of
There are still two hours of daylight left

PHRASES

half an hour, hour after hour, an hour's time, with every passing hour
She grew more worried with every passing hour

VERB + HOUR

chime, strike
The clock struck the hour

PREP

on the ~
Buses leave every hour on the hour
past the ~
ten minutes past the hour
to the ~
ten minutes to the hour

ADJ

lunch
peak, rush
rush-hour traffic

VERB + HOUR

spend
I spent my lunch hour shopping

PREP

~ of
an hour of rest

ADJ

office, opening, working
licensing, visiting
Britain's licensing hours (= when pubs are allowed to open) the hospital's visiting hours
flexible
long
regular

VERB + HOUR

work
She works very long hours
keep
He keeps regular hours

PREP

after ~
He spends a lot of time in his office after hours
out of ~
Doctors often have to work out of hours

ADJ

darkest, finest
This was often thought of as the country's finest hour
antisocial, unearthly, ungodly, unsocial
I apologize for phoning you at this ungodly hour

HOUR + VERB

come
The hour had come for us to leave

PREP

between the ~s of
The office is closed between the hours of twelve and two
~ of
the hours of darkness

PHRASES

your hour of need
She helped me in my hour of need