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Results for "Lạc Thư"

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How do Hà Đồ and Lạc Thư differ?

Hà Đồ consists of 55 black and white dots arranged according to the five directions and the five elements, each element having a pair of a generating number and a completing number that differ by 5 units, for example 1 and 6 are Water in the North, 2 and 7 are Fire in the South. Lạc Thư consists of nine numbers from 1 to 9 placed in a 3x3 square, where every row, every column and the two diagonals all have a sum of 15. In the traditional way, Hà Đồ is linked to the Earlier Heaven bagua and the forward direction, Lạc Thư is linked to the Later Heaven bagua and the reverse direction.

From the article “What Are Hà Đồ and Lạc Thư: Number Arrangement, Links to the Tiên Thiên and Hậu Thiên Bagua, and the Nine Stars”

Traditional systems

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Knowledge › Eastern › Lunar calendar

When Does Lập Hạ Begin and What Customs Come With It?

Lập Hạ, the 7th solar term, opens summer when the Sun reaches 45 degrees of longitude, usually on 5 or 6 May. How it is calculated and its customs.

Updated 16 Oct 2026Calendar and astronomy
Dictionary › Tử Vi (Zi Wei Dou Shu)

What is Tứ Hóa?

Tứ Hóa are the four stars Hóa Lộc, Hóa Quyền, Hóa Khoa and Hóa Kỵ in Tử Vi astrology, standing for prosperity, power, reputation and adversity.

Updated 12 Sept 2026Traditional systems