adverb, preposition

used for referring to a time that is not exact

adverb, preposition, conjunction

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

adverb

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

abbreviation

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

adverb, preposition

used for referring to a time that is not exact

preposition

used for stating the exact time when something happens

adjective

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

adjective, adverb

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

adjective

lasting for 30 minutes

noun

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

noun

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

preposition

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

adverb, preposition

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

noun

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

abbreviation

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

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

adjective

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

noun

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

noun

the quantity that you measure using a clock

noun

the time in a particular part of the world

adverb, preposition

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

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.

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

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

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