The Mid-Autumn Festival, also known as the Moon Festival, is one of the most important traditional festivals in China. It is a time for family reunion, gratitude, sharing, and enjoying the beauty of the full moon. In 2026, the Mid-Autumn Festival holiday in China will be observed from September 25 to September 27. It will be followed shortly by China's National Day holiday from October 1 to October 5. What Is the Mid-Autumn Festival? The Mid-Autumn Festival is a traditional C