'On Monday' or 'On Mondays'?

Use the plural form Mondays to talk about every Monday or "Mondays" in general.

Use the plural form Mondays to talk about every Monday or "Mondays" in general.

On Mondays, Oliver usually starts the day with a cup of green tea.

In certain scenarios, however, native speakers can easily use the singular form (Monday) in this context. For example, if you are asked:"Would you like to come to my party on Monday?" You can answer something like this:

I usually work on Monday.

I usually work on Mondays.

Both sentences are correct. The adverb of frequency, "usually" in the example above, implies that we are referring to every Monday. Other common adverbs of frequency that you can use are: always, often, seldom, generally, frequently, infrequently, rarely, normally, etc.

I always skip breakfast on Mondays/Monday.

When talking about Mondays in general at the start of a sentence, we recommend the plural form (Mondays) to avoid confusion:

On Mondays, I attend yoga classes to help me find balance.

But remember, when referring to a specific day, we always use the singular form (Monday).

On Monday, I received a reminder about my doctor's appointment.

My son has been invited to a birthday party on Monday.

My son has been invited to a birthday party on Mondays.

Follow the same strategy with the rest of the days of the week:

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