Again...something I don't do (nor care to do) this was a special occasion. And if you are going to throw garbage back you might as well get it right.

"Day in age (day and age)
The usefulness of the clichéd phrase day and age is questionable, but it makes sense as a redundant way of saying era or just age. Day in age, on the other hand, is a nonsensical mondegreen derived from a mishearing of day and age."

NTF