What are the official positions of emperors in past dynasties to help the royal family see Feng Shui?

Qin Tian supervised the observation of astronomical phenomena, calculated solar terms and made calendars. From the Qin and Han Dynasties to the Southern Dynasties, the Emperor Tai Shang belonged to the Taishiling Star Calendar. Sui secretary provincial Taishi Cao, Yang-ti changed Cao to supervisor. At the beginning of the Tang Dynasty, Taishi supervisor was changed to Taishi Bureau, and the successor was renamed Secretary Pavilion, Mixed Day Supervisor, Mixed Justice Supervisor, or Secretary Province several times. In the 14th year of Kaiyuan (726), it was re-established as Taishi Bureau and was the secretary province. In the first year of Gan Yuan (758), it was renamed Si Tiantai. In the Five Dynasties and the Early Song Dynasty, it was called Division, and Yuanfeng was changed to Taishi Bureau after restructuring. Southern Liaoning officials have a supervisor, and the gold is called Tiantai, which belongs to the secretary supervisor. In the Yuan Dynasty, there was imperial academy, which was juxtaposed with Si Tianjian and Hui Sijian. Established in the early Ming Dynasty, it was renamed Qin, with officials such as supervisor and deputy supervisor, and western missionaries participated in the work at the end of the year. In the Qing Dynasty, the management supervisor was a senior official, and the supervisor and deputy supervisor were both from China and Manchu, with the participation of western missionaries. At the beginning of Qianlong, the deputy supervisors were divided into Manchu, Chinese and Western. After that, Huaxi people either returned or died, and no outsiders were needed to enter the official.

Tian Jian, official name. Responsible for observing astronomy and calculating calendars.

Many prisons have been set up in past dynasties, but their names are different. There was a Taishi in the Zhou Dynasty, and there was a Taishi order after the Qin and Han Dynasties. The Sui Dynasty set up the Taishi Supervisor, the Tang Dynasty set up the Taishi Bureau, and later changed it to the Tiantai Department, which was subordinate to the Secretary Province. In the Song and Yuan Dynasties, there was a heavenly prison, and in the Yuan Dynasty, there was a imperial academy, which consisted of three bureaus: Evaluation Bureau, Examination Bureau and Missing Engraving Bureau. From the Yuan Dynasty to the seventeenth year of the Yuan Dynasty (1280), he returned to Tian Jian, whose task was to "observe the image and pass on the calendar".

In the early Ming Dynasty, there were four divisions, namely, Tianjian Division and Hui Hui Tianjian Division, and four divisions, namely, Astronomy, Missing Engraving, Dali Calendar and Hui Hui Calendar. In the third year of Hongwu (1370), it was renamed Qin, and in the Qing Dynasty it was called Qin, with a supervisor and a deputy supervisor. After the Ming Dynasty, European missionaries joined in one after another. In the second year of Hongwu (1369), Hale, Madrudin, Mahama, and Rumi Arabia successively became supervisors. Tang Ruowang's Revision of Li Shixian in the Early Qing Dynasty.