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Telling the time by a clock

about

adverb, preposition

used for referring to a time that is not exact

after

adverb, preposition, conjunction

used in telling the time, for giving the number of minutes past the hour

ahead

adverb

used for saying how much earlier the clocks in one place show a particular time than in another

am

abbreviation

used after a time for showing that it is between midnight and noon

around

adverb, preposition

used for referring to a time that is not exact

at

preposition

used for stating the exact time when something happens

fast

adjective

if a clock is fast, it shows a time that is later than the correct time

forward

adjective, adverb

if you put a clock or watch forward, you change the time it shows to a later time

half-hour

adjective

lasting for 30 minutes

half-hour

noun

the time that is 30 minutes after the start of an hour

the hour

noun

the time that is exactly one o’clock, two o’clock, three o’clock etc

of

preposition

used in saying the time to mean a particular number of minutes before the hour

past

adverb, preposition

used for saying what time it is when it is not more than thirty minutes after one, two etc o’clock

the pips

noun

a series of short high sounds broadcast on the radio to show the time at exactly one o’clock, two o’clock etc

pm

abbreviation

used after a time for showing that it is between noon and midnight

quarter

noun

one of four periods of 15 minutes that an hour is divided into when you are telling the time. When the time is 15 minutes after the hour, British people always say quarter past the hour and American people usually say a quarter after the hour. When the time is 15 minutes before the hour, British people always say quarter to the hour and American people usually say a quarter of the hour

slow

adjective

a watch or clock that is slow shows a time that is earlier than the correct time

stroke

noun

one of the series of sounds that some clocks make to mark the hour, or the time marked by this

time

noun

the quantity that you measure using a clock

time

noun

the time in a particular part of the world

to

adverb, preposition

used when telling the time, for saying how many minutes it is before the hour

0900/1300 etc hours

used especially by the police and military people for telling the time by the twenty-four hour clock. For example, 13 hundred hours is one o’clock in the afternoon.

half past one/two etc

30 minutes after one o’clock/two o’clock etc

one o’clock/four o’clock etc

used for saying what time it is when a clock shows the exact hour

tell the time

to know what time it is when you look at a clock or a watch

dark pool

a method of financial trading in which share prices are hidden and not openly available to the public

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