On Sunday or In Sunday – Which one is Correct?

The use of a preposition before a day of the week, such as Sunday, can often be confusing. The purpose of this article is to determine which is the correct, On Sunday or In Sunday.

On Sunday or In Sunday – Which one is Correct?

The correct usage in a sentence is “On Sunday“, while the incorrect usage is “In Sunday.” It is more appropriate to use the preposition “On” instead of “In” before the days of the week.

For example

  • I’m looking forward to seeing you on Sunday. (Correct)
  • I’m looking forward to seeing you in Sunday. (Wrong)
  • Please let me know if you are available on Sunday. (Correct)
  • Please let me know if you are available in Sunday. (Wrong)
  • I wouldn’t say I like working on Sunday. (Correct)
  • I wouldn’t say I like working in Sunday. (Wrong)
  • Would it be possible to go out for dinner with me on Sunday? (Correct)
  • Would it be possible to go out for dinner with me in Sunday? (Wrong)
  • There are no French classes on Sunday at our school. (Correct)
  • There are no French classes in Sunday at our school. (Wrong)

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