[Idiom] The day was like any other day

[warre]

The day was like any other day but the different thing it was me

Do you know any idiom for this sentence?

And is this sentence right?

How can i make it better?

 

[Rover_KE]

Please correct the information in your profile.

 

[Tarheel]

Perhaps:

The day started out like any other day, but something happened that I wasn't prepared for.

Yes, I know it's not like your sentence, but your sentence doesn't make any sense.