Health-Sports Day, also known as 'Taiiku no hi', is a national holiday in Japan that honors health, well-being, and promotes sports and an active lifestyle. This day has been celebrated on the second Monday of October since the year 2000. Prior to this change, it was celebrated on October 10th since it first started in 1966. The date was initially chosen to commemorate the opening of the Tokyo 1964 Olympic games, which marked the first time that the Olympic Games were held in Asia.

On Health-Sports Day, schools and businesses across Japan hold sports events and activities. These activities range from traditional Japanese sports such as sumo and martial arts to modern international sports like soccer and baseball. It is common for schools to hold 'Sports Day' events, where students participate in a variety of athletic competitions. These can include races, ball games, tug-of-war, and in some cases, choreographed group exercises. Not only a physical event, the day also focuses on teamwork, unity, and fostering a competitive spirit amongst students.

Although Health-Sports Day is a tribute to athleticism and the pursuit of health, it is also an opportunity for families and communities to come together. Parents and family members often attend school events to cheer on their children and enjoy the displays of unity and sportsmanship. In addition to school and community events, Japan also celebrates Health-Sports Day with national and regional athletic competitions. These include everything from track and field events to baseball games and gymnastics demonstrations, showcasing the country’s dedication to sports and physical fitness.