When can I use “the other day”?

Native speaker’s answer
Rebecca
"The other day" can be used when referencing an event that occurred in the recent past, i.e. a few days ago. Ex: I had a picnic with my friends the other day. Ex: I had a picnic with my friends a few days ago. Ex: I was at my cottage just the other day. Ex: I was at my cottage just a few days ago.