Autumnal equinoxobservances in the Northern Hemisphere,vernal equinoxobservances in the Southern Hemisphere (seeSeptember 22):

Spring Day (Argentina)

Spring Day in Argentina marks the arrival of the vernal equinox in the Southern Hemisphere, celebrated with vibrant outdoor festivities and student gatherings. It symbolizes renewal as flowers bloom and temperatures warm across the country.
Observed annually on September 21, Spring Day coincides with the vernal equinox in Argentina, signaling the official start of spring. On this day, parks and plazas across the nation fill with students who celebrate 'Día de la Primavera' with picnics, live music, and sports. The tradition dates back to the early 20th century when educators sought to connect youth with nature and the changing seasons. Cities often host flower markets and exhibitions that showcase native blooms and gardening workshops. Many families take advantage of the holiday to organize outdoor gatherings under blossoming trees. Social media platforms buzz with photographs of flower crowns and colorful decorations. Spring Day encourages Argentinians of all ages to embrace renewal, outdoor activities, and environmental awareness.
Autumnal equinox vernal equinox September 22 Spring Day (Argentina)