The traditional expression is “in this day and age,” meaning “right at this moment and during a considerable stretch of time around this moment.” “Today’s day” is redundant: “today” already has “day” in it.
A Don McCormack column: Football primer With the nonstop, 24-7 lifestyle we’ve all been pretty much forced to swallow in this day and age, this should come to the surprise of no one — six weeks from Monday, high school football practice begins across the Buckeye State.
June 30, 2013 - Star Beacon
Guggenheim Grotto are worthy of worship There is a lot of talk this day and age about how the music business is on the decline, but as long as there are clubs like the Saint in Asbury Park and bands like Dublin’s Guggenheim Grotto, we can be assured that the business is in good hands.
June 28, 2013 - Irish Central