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Rules and Tips on using with the Chinese Gender Chart
  1. Don't choose to be conceived on leap months

(4) Leap Month Calculation


As we pointed out at the previous page about "what is lunar calendar", a lunar year is 11 days shorter than a western year. Dates in a lunar calendar, therefore, rapidly move backward through the seasons, so that a date in summer eventually ends up in winter, and vice versa. This makes it difficult to use the calendar to plant crops or schedule seasonal religious celebrations. This difference is made up every 19 years by the addition of seven lunar months. On average, we have a leap year (with a leap month) about every three years. The following table shows you the date of leap months from 1931-2030.

Table of Leap Month (1931 ~ 2030)
Leap Month
Period of the Leap Month
leap 5th month
leap 3th month
leap 7th month
leap 6th month
leap 4th month
leap 2nd month
leap 7th month
leap 5th month
leap 3th month
leap 8th month
leap 6th month
leap 4th month
leap 3th month
leap 7th month
leap 5th month
leap 4th month
leap 8th month
leap 6th month
leap 4th month
leap 10th month
leap 6th month
leap 5th month
leap 3th month
leap 8th month
leap 5th month
leap 4th month
leap 2nd month
leap 7th month
leap 5th month
leap 4th month
leap 9th month
leap 6th month
leap 4th month
leap 2nd month
leap 6th month
leap 5th month
1933/06/23 ~ 1933/07/22
1936/04/21 ~ 1936/05/20
1938/08/25 ~ 1938/09/23
1941/07/24 ~ 1941/08/22
1944/05/22 ~ 1944/06/20
1947/03/23 ~ 1947/04/20
1949/08/24 ~ 1949/09/21
1952/06/22 ~ 1952/07/21
1955/04/22 ~ 1955/05/21
1957/09/24 ~ 1957/10/22
1960/07/24 ~ 1960/08/21
1963/05/23 ~ 1963/06/20
1966/04/21 ~ 1966/05/19
1968/08/24 ~ 1968/09/21
1971/06/23 ~ 1971/07/21
1974/05/22 ~ 1974/06/19
1976/09/24 ~ 1976/10/22
1979/07/24 ~ 1979/08/22
1982/05/23 ~ 1982/06/20
1984/11/23 ~ 1984/12/21
1987/07/26 ~ 1987/08/23
1990/06/23 ~ 1990/07/21
1993/04/22 ~ 1993/05/20
1995/09/25 ~ 1995/10/23
1998/06/24 ~ 1998/07/22
2001/05/23 ~ 2001/06/20
2004/03/21 ~ 2004/04/18
2006/08/24 ~ 2006/09/21
2009/06/23 ~ 2009/07/21
2012/05/21 ~ 2012/06/18
2014/10/24 ~ 2014/11/21
2017/07/23 ~ 2017/08/21
2020/05/23 ~ 2020/06/20
2023/03/22 ~ 2023/04/19
2025/07/25 ~ 2025/08/22
2028/06/23 ~
2028/07/21

Born on Leap Month

Based on the usual chinese fortune-telling practice, people who born on the first 15th days of a leap month should be counted as born on the previous month, and people who born on or after the 16th date of a leap month should be counted as born on the month followed.

So, if you were born on 1st June, 1982, your birth month should be counted as the 4th lunar month of 1982. On the other hand, if you were born on 15th June, 1982, your birth month should be on the 5th lunar month of 1982.

Conceive on Leap Month


By the same token, if you conceive on the first 15 days of a leap month, then the month of conception should be counted as the previous month, and the rest of the leap month should be counted as the next month. Having said that, there are some chinese fortune tellers argue that the entire leap month should be counted as the previous month. The conclusion is that If you are serious about gender selection, don't choose to conceive on leap months.

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