After ascending to the throne, Shun offered sacrifices to the god Shang Di (), as well as to the hills, rivers, and the host of spirits (). Then he toured the eastern, the southern, the western, and the northern parts of the country; in each place he offered burnt-offering to Heaven at each of the four peaks (Mount Tai, Mount Huang, Mount Hua and Mount Heng), sacrificed to the hills and rivers, set in accord the seasons, months, and days, established uniform measurements of length and capacities, and reinforced ceremonial laws.