when is engineers day

Engineers' Day in India is celebrated annually on September 15th, which marks the birth anniversary of Sir Mokshagundam Visvesvaraya, one of India's greatest engineers. For 2025, Engineers' Day falls on Monday, September 15. This day honors his groundbreaking contributions to engineering and national development and also recognizes the critical role engineers play in societal progress and technological innovation. Besides India, countries including Sri Lanka and Tanzania also observe Engineers' Day on September 15. Globally, there is also a UNESCO-designated World Engineering Day celebrated on March 4 annually, focusing on sustainable development goals. Therefore, the day specifically known as Engineers' Day linked to Sir M. Visvesvaraya is September 15 each year.