Criminal Law of Xia Dynasty: According to the study of Shang Shu ∷ Hong Fan, it can be identified as six kinds: death, ink, embarrassment, palace and claustrophobia, among which palace and claustrophobia are actually one kind according to the gender of the applicable object. It can be seen that since the Xia Dynasty, China has established a set of punishment system with corporal punishment and death penalty as the core, that is, five punishments.
China traditional calendar
It is one of the calendars of the ancient Han nationality, and it is also called the ancient six calendars together with Huangdi calendar, Zhuan Xu calendar, Yin calendar, Zhou calendar and Lu calendar.
Legend has it that the calendar was founded in Xia Dynasty, and the original calendar rules have been lost.
At present, we only know some contents from some ancient books: take the month from winter solstice as a month to calculate a year, and the calendar year begins with the month of silver moon, namely Andrew (later called Xia Zheng), and roughly adopts the integer of 366 days as a year, and uses subtraction and positive leap surplus to adjust the time difference.