Vishwakarma Puja falls on the 17th or 18th of September each year, depending on the lunar calendar. It is observed mainly in factories, workshops, and industrial areas, where Lord Vishwakarma is worshipped as the divine architect and the ultimate creator of machines and tools. This festival holds immense importance for workers, artisans, craftsmen, and industrialists, as it seeks blessings for safe and productive work environments.