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29th June 2009

 

Hexagram Element and Period

Method of Determining Xuan Kong Element Number and Period Number

         
 

Following on from my previous article on hexagram families, in this article I shall share with you a simple way to derive the Xuan Kong Element (aka Gua Qi Ԛ) and Period Number (Gua Yun \) of any given hexagram.

Before we begin we have to know the mapping of Later Heaven Luoshu numbers to Early Heaven Bagua . This mapping is very important and has to commit to memory. A diagram showing the mapping is shown below.

To derive the Gua Qi of any hexagram, we look at the upper trigram and map it to the Early Heaven Bagua and from it, derive the corresponding Later Heaven Loushu number. This Later Heaven Loushu number is the Gua Qi number.

To derive the Gua Yun number, we take the entire hexagram and compare the corresponding lines of the upper trigram and lower trigram C meaning we compare line 1 with line 4, line 2 with line 5 and line 3 with line 6. For each comparison, if the lines are either both Yang lines or both Yin lines, we obtain a Yin line and assign it to a line in a new trigram. If the lines are a Yang and Yin line together, then we obtain a Yang line and assign it to a line in a new trigram. The assignment of line 1 and line 4 will create the first line of the trigram. The assignment of line 2 and line 5 will create the second line of the trigram while the assignment of line 3 and line 6 will create the third line of the trigram. Once the trigram is created, map it to the Early Heaven Bagua again and derive the corresponding Later Heaven Loushu number. This Later Heaven Loushu number is the Gua Qi number.

To illustrate using an example, we will use hexagram Feng S, which is Thunder Zhen over Fire Li x. The top trigram is Zhen . Zhen has a Luoshu number of 8 based on Early Heaven Bagua. Therefore the Gua Qi number is 8.

Now we compare the hexagram lines.

Line 1 and line 4 are both Yang lines C we obtain a Yin line for the first line of the trigram.
Line 2 and line 5 are both Yin lines - we obtain a Yin line for the second of the trigram.
Line 3 and line 6 are Yin and Yang lines C we obtain a Yang line for the third line of the trigram.

The resultant trigram is a Gen trigram and we map to Luoshu number 6. Therefore the Gua Yun number is 6.

With these simple steps, both the Gua Qi and Gua Yun can be easily derived for the hexagram S.

By Cyril Quah

"The Feng Shui Connoisseur"

June 29, 2009

         
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