It's the sweetest day of the year — National Ice Cream Day is July 21, which means it's the prime time to get a cool treat on a hot day. It's easy to find free or discounted ice cream. 

Here's where you can find free or discounted ice cream on July 21: 

Baskin-Robbins: Get two pre-packed quarts of any ice cream for $7.99 on July 21. 

Carvel: The ice cream chain is offering buy one, get one free cups and cones of soft serve that day from open to close.

Cold Stone Creamery: Join its rewards program by July 21 and get BOGO cones on National Ice Cream Day. 

Cumberland Farms: Text SCOOPS to 64827 on July 21 to get a $1 off coupon for the Cumberland Farms' “Ultimate Scoop” flavors. You can redeem the coupon through July 28. 

Dippin' Dots: Get a free mini cup of the ice cream of the future at participating stores and shopping center locations during a secret two hour window on July 21. Call your local spot to find out when you can scoop your free cup. 

Godiva: The Godiva cafes and boutiques will have buy one, get one half off soft serve ice cream and parfaits on July 21. 

Graeter's Ice Cream: Get a single dip sugar cone for $1.49 to celebrate National Ice Cream Day and the company’s 149th birthday.

Johnny Rockets: The burger chain has a few opportunities for free ice cream. You can get free milkshake samples from 12 p.m. to 3 p.m. July 18-20. On July 21, get a free milkshake when you purchase and entrée. 

Marble Slab Creamery: You can get a free small cup or cone with unlimited mix-ins all month long when you purchase any Majestic Shake. The deal is good Monday through Friday from 2 p.m. to 4 p.m. until July 31. 

My/Mo Mochi Ice Cream: UNIQLO is teaming up with the mochi brand to bring free ice cream mochi pop-ups to stores across New York City, Los Angeles, San Francisco, Washington D.C., Boston, Seattle and Chicago. The free My/Mo Mochi Ice Cream will be available 11 a.m. to 4 p.m. 

Petsmart: Even the family dog can get in on the free ice cream. Petsmarts with PetsHotel locations are giving away free, dog-friendly ice cream topped with dog treats July 20 and July 21.

Potbelly: The sandwich chain is giving away free large hand-dipped milkshakes with any entrée purchase. Just mention National Ice Cream Day at the register. 

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