Parts of Speech & Usage

In / On / At for time

1 min read

In, on, and at are prepositions of time. They are used to talk about when something happens. The difference depends on how specific the time is.

At → exact time

Use at for precise moments.

At 3 p.m.
At noon
At midnight
At the weekend (British English)

The meeting is at 10:00.
I wake up at 7 a.m.

On → days and dates

Use on for specific days and dates.

On Monday
On July 5th
On my birthday

We have a meeting on Friday.
She was born on June 12th.

In → longer periods

Use in for longer periods like months, years, seasons, and parts of the day.

In 2024
In July
In summer
In the morning

I was born in 1995.
We will travel in August.

Important exceptions

At night (not “in the night”)
On the weekend (American English)
In the morning / afternoon / evening

Key idea

At → precise moment
On → day or date
In → longer period

💡 Tip

Think of a timeline:
At = a point
On = a day
In = a block of time

Test your knowledge 📝

Question 1 sur 10Score: 0/10

The meeting starts ___ 9 a.m.

Discover the app: Shaky English

Join 100,000 people who are improving their English skills on the Shaky English app

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Parts of Speech & Usage

In / On / At for time

1 min read

In, on, and at are prepositions of time. They are used to talk about when something happens. The difference depends on how specific the time is.

At → exact time

Use at for precise moments.

At 3 p.m.
At noon
At midnight
At the weekend (British English)

The meeting is at 10:00.
I wake up at 7 a.m.

On → days and dates

Use on for specific days and dates.

On Monday
On July 5th
On my birthday

We have a meeting on Friday.
She was born on June 12th.

In → longer periods

Use in for longer periods like months, years, seasons, and parts of the day.

In 2024
In July
In summer
In the morning

I was born in 1995.
We will travel in August.

Important exceptions

At night (not “in the night”)
On the weekend (American English)
In the morning / afternoon / evening

Key idea

At → precise moment
On → day or date
In → longer period

💡 Tip

Think of a timeline:
At = a point
On = a day
In = a block of time

Test your knowledge 📝

Question 1 sur 10Score: 0/10

The meeting starts ___ 9 a.m.

Discover the app: Shaky English

Join 100,000 people who are improving their English skills on the Shaky English app

Other similar rules

Agreement rules

Incorrect Passive Voice Usage

Conjugation

Articles: A, An, The

Conjugation

Some vs. Any

Conjugation

In / On / At for place

Vocabulary

Apostrophes

Conjugation

Prepositions after Adjectives (good at, interested in)

Agreement rules

Misplaced Modifiers

Agreement rules