Lo Shu Grid is a 3×3 square grid which is the part of Chinese Numerology. A birth chart grid consists of Nine Spaces, each space meant for a number.

The date of birth of native will be written in full and spaces filled. This 3 by 3 magic square (as shown in figure) magically adding to ‘15’ when added horizontally or vertically or diagonally is called as the “Lo-Shu Grid” by Chinese Numerologists.