Kua number is defined for each person separately. People are divided on two groups: western and eastern type. So you can calculate your number by yourself with the formula that will be discussed later in the article, or with the help of a special online tool. The main answer that you are looking for in this article: why do I need to know my Kua number. The answer is very simple. Kua number gives you positive and negative directions that will give you a clue where it is better to sleep for you and work . Kua Number is derived from the year of your birth - dependent on being either male or female.From it we can ascertain your best directions for sleeping, working and for anywhere else that you may spend a significant amount of time.

A complete Feng Shui analysis will use the Kua numbers of all occupants. Different people have different energy needs. According to one of the feng shui schools called Flying Stars, there are two "energy" groups: East and West group. You will be either one or the other according to your date of birth and gender.

• The East Group numbers are 1, 3, 4 and 9.
• The West Group Kua numbers are 2, 6, 7 and 8.