(せんじつ)

せんじつ
noun
the other day
1. the other day, a few days ago, recently
A day in the recent past, typically within the last week or two.
Thank you for the other day.
Common polite expression
Regarding the matter we discussed on the phone the other day...
I ran into you by chance at the station the other day.
Did you receive the documents I sent the other day?
Let's reconfirm this afternoon what was decided at the meeting the other day.

先日(せんじつ) is a polite way to refer to a recent day.

COMMON EXPRESSIONS:

COMPARISON: