Li Hua thought for a while, "Dare to ask Your Majesty, what should Qin Tianjian do?" ”

Zhu Jianji said: "At present, what Qin Tianjian does is mainly to observe the celestial phenomena, calculate the solar terms, and formulate the calendar. ”

The solar terms and the calendar are basically perfected.

The calendar used by the Ming Dynasty now is the lunar calendar.

And now that the Ming Dynasty is strong, Chinese civilization is likely to affect the whole world, so let

Chapter 795 Your Majesty knows how to buy horse bones is in the middle of the hand, please wait a moment,

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