"in the first week of" vs "on the first week of"

Question

"in the first week of" vs "on the first week of"

Both "in the first week of" and "on the first week of" are commonly used prepositional phrases in English. They are both correct and can be used interchangeably depending on the context. The choice between them depends on personal preference and the specific context in which they are used.

Last Updated: March 17, 2024

This phrase is used to indicate a specific time frame within the first week of a period. It is commonly used in sentences like "In the first week of January, we will start our new project."

Examples:

In the first week of school, students are usually getting to know each other.
In the first week of the month, I always pay my bills.
In the first week of training, athletes focus on building endurance.
In the first week of December, the city is beautifully decorated for Christmas.
In the first week of the program, participants will learn the basics.

Alternatives:

during the first week of
at the beginning of
at the start of
within the first week of
at the onset of

This phrase is also used to indicate a specific time frame within the first week of a period. It can be used interchangeably with "in the first week of" depending on personal preference and context.

Examples:

On the first week of the month, we have a team meeting.
On the first week of the project, we set our goals.
On the first week of the year, people often make resolutions.
On the first week of training, new skills are introduced.
On the first week of school, students receive their schedules.

Alternatives:

during the first week of
at the beginning of
at the start of
within the first week of
at the onset of

Answer 1

in the first week of

This phrase is correct and commonly used in English.

Answer 2

on the first week of

This phrase is correct and commonly used in English.

"in the first week of" vs "on the first week of"

in the first week of

on the first week of

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