The first robbery happened in Bath Beach at 4:30 in the afternoon and the second in Flatbush at 7:30 in the evening.
In both incidents, the gunmen burst into the store and announced a robbery.
One man guarded the victims, while the other stole money from the register.
No one was injured in either robbery.
Anyone with information in regards to these robberies is asked to call the NYPD's Crime Stoppers Hotline at 800-577-TIPS.