Representing when, where, how and why

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Using prepositional phrases: on

On is used for periods of time. In the following example, on refers to a date:

We shall be moving in on the 11th of April. (Bank of English)

In the examples below, on is used to mention the day when something happens:

A total of 1,385 people were interviewed on Wednesday and Thursday. (SCMP 10/10/92)

On that day, the lift plunged to the ground killing 12 men. (SCMP 22/4/94)

In the first place my heart bleeds for footballers that have to work on Christmas Day. (Bank of English)

She was on duty on her birthday. (Bank of English)

Vietnamese asylum-seekers are threatening to set themselves alight on the anniversary of the fall of Saigon on April 30. (SCMP 21/4/94)

On is also used with morning, afternoon, evening and night when these words are modified in some way:

They depart on Monday morning for the Philippines. (SCMP 5/6/92)

The immediate cause of the landslide was the high intensity and sequence of rainfall on the afternoon of May 8. (SCMP 10/9/92)

We will feel much more tired than on the previous evening.
(Microconcord Corpus B)

On the night before his death, a sum of $9,400 had been withdrawn from his account with his Moneylink card, while he was at home. (SCMP 22/9/92)

On is sometimes omitted before days of the week:

See you Sunday.

04conten.gif (549 bytes) Introduction
04conten.gif (549 bytes) Using clauses
04conten.gif (549 bytes) Using prepositional phrases: at
 Using prepositional phrases: on
04conten.gif (549 bytes) Using prepositional phrases: in
04conten.gif (549 bytes) Using prepositional phrases: at about and at around
04conten.gif (549 bytes) Using prepositional phrases: in time and on time
04conten.gif (549 bytes) Using prepositional phrases: from ... to ... and between ... and ...
04conten.gif (549 bytes) Using prepositional phrases: zero
04conten.gif (549 bytes) Using noun groups
04conten.gif (549 bytes) Using adverbs