 The anglers will be competing season long for millions of dollars in winnings and points in the race for Fishing Clash Angler of the Year. Jimmy Alexander, WTOP News. And it's going to be hot out there and there's nothing better to cool off than with a fresh scoop. And what a great time for it because it's National Ice Cream Day. While it's not a federal holiday, President Ronald Reagan formally proclaimed the third Sunday in July as National Ice Cream Day in 1984.