Jayaatu Khan ( February 16, 1304 - September 2, 1332), was an Emperor of the Yuan Dynasty, and is regarded as the 12th Khagan of the Mongols in Mongolia. He first ruled from October 16, 1328 to February 27, 1329, and then from September 8, 1329 to September 2, 1332. Jayaatu, also known as Tov Temur Khan, was born in 1304, the blue dragon year. He was second son of Haisan. In 1329, the yellow snake year, he assumed the throne and passed away in 1332, the black monkey year.