Is the month of the Qing Dynasty based on the lunar calendar or the solar calendar? Qinggongbiao is a mysterious algorithm in ancient China that predicts a woman\’s gender at conception. Many people are curious, are the months in the Qing palace watch lunar or solar? Below we will elaborate on the four aspects and help you answer this question. Aspect 1: The history of Qing palace watches Qing palace watches have been around for a long time, and they can be traced back to the Qing Dynasty. At that time, it was very important for the concubines of the Qing Dynasty to have children. For this reason, a mysterious algorithm appeared within the palace – Qing Gongbiao. This form can predict the gender and date of birth of a baby girl.