Born in Yangzhou, a major cultural and commercial center during the Tang Dynasty. His family background remains obscure, but he would grow to become one of the most influential monks in East Asian Buddhist history.

Entered Daming Temple in Yangzhou as a novice monk at age fourteen. Began his lifelong study of Buddhism under various masters, showing exceptional dedication to Buddhist precepts and Vinaya discipline.

Received full ordination in the Tang capital Chang'an, becoming a fully ordained Buddhist monk. Studied under the greatest Vinaya masters of the era, mastering the intricacies of monastic discipline.

Returned to Yangzhou as an accomplished Vinaya master. Began teaching Buddhist precepts and ordaining monks, eventually ordaining over 40,000 monks throughout his career in China.

Established himself as one of the foremost Vinaya scholars in Tang China. His expertise extended beyond Buddhist law to include medicine, architecture, and calligraphy, making him a polymath of his era.

Appointed abbot of Daming Temple, one of the most prestigious Buddhist institutions in southern China. Under his leadership, the temple became a major center of Buddhist learning and monastic discipline.

Japanese monks Yoei and Fusho, sent by Emperor Shomu, arrived to invite Ganjin to Japan to establish proper ordination lineage. Despite disciples' objections, Ganjin accepted, beginning his twelve-year odyssey.

Made his first attempt to sail to Japan with a group of monks and craftsmen. The voyage was thwarted by a jealous disciple who falsely reported them as pirates. Officials intercepted the expedition.

Made two more attempts to cross the sea. Both voyages were defeated by violent storms that destroyed ships and scattered crew members. Several disciples died, but Ganjin's resolve remained unshaken.

Fourth expedition was intercepted by Tang officials responding to disciples' concerns about losing their master. Ganjin was detained and returned to Yangzhou, but continued planning his mission.

Fifth attempt ended in disaster when storms drove the ship far south to Hainan Island. During the arduous return journey, Ganjin contracted an eye infection that eventually caused complete blindness. His Japanese companion Yoei died.

Despite being blind and elderly, Ganjin successfully reached Japan on his sixth attempt, traveling with a Japanese diplomatic mission. After twelve years of perseverance, he finally set foot on Japanese soil.

Conducted Japan's first officially recognized Buddhist ordination ceremony at Todai-ji Temple. Ordained Emperor Shomu, Empress Komyo, and over 400 monks, establishing legitimate Buddhist ordination lineage in Japan.

Founded Toshodai-ji Temple, which became the center of Ritsu school Buddhism in Japan. The temple's architecture, designed under his guidance despite blindness, blended Chinese and Japanese styles and remains a national treasure.

Passed away peacefully at Toshodai-ji Temple, having spent his final years teaching and spreading Buddhist wisdom. His disciples created a famous lacquer statue capturing his serene likeness, now a Japanese national treasure.