The fixed phrase uses other in its older sense of “additional or different” with day; in modern use, the definite article marks an unspecified recent day.
The fixed phrase uses other in its older sense of “additional or different” with day; in modern use, the definite article marks an unspecified recent day.
What does the other day mean?
It means an unspecified day in the recent past, usually a few days ago.
How recent is the other day?
There is no exact limit, but it normally suggests a day recent enough to remain part of the current conversation.
Is the other day the same as yesterday?
No. Yesterday names the day immediately before today, while the other day leaves the date vague.
Which tense usually follows the other day?
The simple past is usual because the phrase normally introduces a completed event in the recent past.
Can the other day mean another future day?
Not in this fixed use. For a different future date, English normally says another day.