On Monday or Monday? What’s the Difference?

The phrase “On Monday” and “Monday” are often used interchangeably in casual conversation, but they can have slightly different implications in terms of specificity and context

We use “On Monday” when we want to reference a specific Monday like the previous or upcoming Monday.

I have a test on Monday.

We use “Monday” for more general situations or with other modifying words like next, this, that etc

The first day of the week is Monday.

On Monday- When to Use

This phrase is more specific and is typically used when referring to something that will happen on a particular Monday. It emphasizes the day as a specific point in time. For example, “The meeting is on Monday” suggests a specific event occurring on that particular day.

  1. “On Monday, we have a team meeting scheduled at 9 AM.”
  2. “The new project officially starts on Monday.”
  3. “I need to submit my report on Monday morning.”
  4. “The repair technician is coming on Monday to fix the heater.”
  5. “Our special offer only applies on Monday, so don’t miss it.”

Monday- When to Use

This can be a bit more general and is often used in a more casual or informal context. It doesn’t always emphasize the specificity of the day in the same way “on Monday” does. For example, “I’ll see you Monday” might imply a more flexible or casual arrangement for that day.

  1. “I’ll probably start working on the assignment this Monday.”
  2. “Monday is when I usually do my grocery shopping.”
  3. “Let’s catch up over coffee next Monday.”
  4. “I think the weather forecast mentioned rain for Monday.”
  5. “Monday, I have a dentist appointment, but I’m free afterwards.”

In Monday or On Monday?

In Monday is incorrect and you should always use “on Monday” or just “Monday”.