on my first day vs in my first day

The correct phrase is 'on my first day.' 'In my first day' is not a common or correct construction in English. 'On my first day' is the appropriate preposition to use when referring to the specific day something happened or will happen.

Last updated: April 04, 2024 • 642 views

on my first day

This phrase is correct and commonly used in English.

Use 'on my first day' when referring to a specific day something happened or will happen, such as 'on my first day at work.'

Examples:

On my first day of school, I was nervous.
I met my best friend on my first day at university.
On my first day in the new city, I got lost.
On my first day as a teacher, I was excited.
On my first day of vacation, it rained all day.

Show examples from the web [+]

Learned that trick on my first day.
Shot a guy on my first day out.
A big competition on my first day!
And on my first day entering -
Now, on my first day in DC, my first day in government, I walked into the office and they handed me a laptop.
Do you remember what you said to me on my first day at work, just before you walked me over to my desk?
I don't want any surprises on my first day as director.
I remember on my first day you said That could happen to me if I played my cards right.
I'm trying to imagine what I'd do on my first day of living in Cairo.
Kids, on my first day as a college professor, there were two things I didn't know that I wish I did.
"Father, I'll never forget what you said to me"on my first day of school.
Mom, three calls on my first day is a little overdoing it.
I get the superintendent killed on my first day, that could go on my permanent record or something.
It reminds me of the orientation video Michael showed on my first day.
My mom's in Hawaii, dealing with a location crisis and she'll kill me if I'm late on my first day.
I saw him make a former Marine cry on my first day at FLETC.
On- on my first day, I forgot everything that they taught me in those classes.
You embarrassed me in front of my colleagues on my first day here.
By the way, that was a weird thing to say to me on my first day of kindergarten.
I didn't want to I.D. fried food on my first day.

in my first day

This phrase is not correct in English. 'In' is not the appropriate preposition to use in this context.

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