Up to and including the present time or date. My neighbor owned a 1975 Corvette Stingray, and to this day I've never seen a car I thought looked cooler.To this day he swears he never hit me when we were kids, even though I can remember it like it was yesterday.See also: this
to this ˈday
up to now: To this day I have not been able to find out anything about who my real parents were.See also: this