64 Hexagrams Xuan Kong Da Gua Date Selection Software (玄空大卦择日法) is the special designed for the Feng Shui practitioner who have purpose to get the special dates which occupy the harmonized energy among heaven Qi earth Qi and human Qi. It is recognized as one of the most powerful Chinese date selection system.

This software is the most useful software for today's Feng Shui practice. Many Feng Shui masters around the world are using this software.