The White Nights Festival is celebrated in St. Petersburg, Russia, from June 12 through July 2, during a period of near-24-hour daylight. This vibrant festival features world-class ballet, opera, and classical music performances, attracting thousands of locals and tourists. Notable events include spectacular galas, fireworks, and the famous Scarlet Sails celebration, which culminates the festival with elaborate performances and fireworks displays. The Scarlet Sails, originally a post-World War II celebration for graduating students, has become a hallmark of the festival since its revival in 2005. Additionally, the White Nights International Marathon and 10K Run, which began in 1990, further enhance the festivities, promoting St. Petersburg's reputation as Russia's sports capital. The festival has gained popularity across Europe, inspiring similar celebrations in other countries.