National Prom Day is celebrated on March 31 and is a special occasion for high school students in the United States and some other countries to dress up, dance, and create lasting memories with friends. The tradition involves prom-goers wearing formal attire, such as gowns and tuxedos, and often includes activities like going out to dinner, renting limousines, or hosting after-parties. Established by PromGirl, the day aims to foster confidence and empowerment among teenagers while also encouraging charitable acts, such as donating prom attire to those in need. The celebration reflects the evolution of prom from its origins as elite college "promenades" to a widely recognized rite of passage for high school seniors. National Prom Day also promotes community events and social media engagement, allowing participants to share their prom experiences and support each other.