Patanjali, the compiler of the Yoga Sutras, is believed to have lived sometime between 500 BCE and 400 CE. However, the exact time period of his life is still a subject of debate among scholars.

Some historians suggest that Patanjali lived during the 2nd century BCE, while others believe that he lived in the 5th century CE. This uncertainty is due to the lack of concrete evidence and historical records about Patanjali's life.

According to some sources, Patanjali was born in the ancient city of Gonarda, in the region of Kuru, which is now located in modern-day Haryana, India. He is believed to have been a descendant of the ancient sage Angiras, who was associated with the Atharva Veda.

Patanjali's life is shrouded in mystery, and there are many legends and stories surrounding his birth and upbringing. One popular legend states that he was born to a Naga (serpent) mother and a human father, which is why he was said to have extraordinary powers and knowledge.

Patanjali is also believed to have been a great scholar and a master of various disciplines such as Ayurveda, Sanskrit grammar, and Indian philosophy. He is said to have studied under the guidance of renowned teachers like Bhartrihari and Kapila.

It is believed that Patanjali's main purpose in compiling the Yoga Sutras was to bring together the scattered teachings of yoga and present them in a systematic and concise manner. His work is considered to be a major contribution to the development and understanding of yoga.

While the exact time period of Patanjali's life may be uncertain, his teachings and writings continue to be relevant and influential even today. His Yoga Sutras are still widely studied and practiced by yoga enthusiasts all over the world.

In conclusion, Patanjali's life remains a mystery, but his legacy lives on through his teachings and writings. He is considered a pioneer in the field of yoga and his work continues to inspire and guide people on their spiritual journey.