Dear MJ,   MJ H. wrote: I bought a Bazi book weeks back and according to it, the birth time after 11pm to 12amis Night Rat Hour (Wan Zi shi). And if the Day is a Yi Wood day, the Hour pillar should beWu Zibut your calculator I utilised gave the time pillar as Bing Zi which is the Early Rat Hour(Zao Zi shi)- 12am to 1 am-for a Yi Wood day.     MJ H. wrote: Could you kindly assist in soving the difference?     This is one of the many variations in