 at noon on the solstice day was 1673569. Using the same conversion method as above, I get the Z11 day on Dec. 25, 132 BCE and the sexagenary date was r&#233;n y&#237;n. We can see from Table 5 that Z11 fell on the second day in month 11 in the Han calendar. As for the lunation fraction of Z11, it was the time difference between Z11 and its previous lunar conjunction expressed as a fraction of a lunar cycle. The lunar conjunction before Z11 was the month 11 conjunction and its Julian day was<br />
JD<sub>11