Instructions

The calendar can be used in two ways. If you will use it for predicting the sex of an
unborn child, simply cross-reference mother's age at conception with month of
conception. If you will use it for planning baby gender, then find a suitable period
for conception based on the mother's age. In order to increase your chances, find a
period when the gender remains steady for at least two months.

To maximize the chance for correct prediction you should avoid
conception during the first or last ten days of a gender period
(period for
conceiving a certain gender according to the calendar). The reason is that there are
unknown, but apparently gradual changes taking place between two successive
gender periods. During these changes the selection of gender happens more or less
by chance.

Before using the calendar we recommend testing it on births that have already
taken place, preferably in the family or among friends, where the circumstances
(early births, late births etc.) are well known. If you want to test the accuracy of the
calendar on known births, there is a step-by-step procedure on the next page.
Remember to only use births where conception took place in accordance with the
previously mentioned recommendations.
The Calendar
DISCLAIMER
The information contained on this website should not be considered medical advice, but is provided as an
educational service to assist you in your personal research. The writers are not medical doctors and shall
not be held liable for any damage the use of this service may cause. While the site attempts to be as
accurate as possible, it should not be relied upon as being comprehensive or error-free.
'ChineseGenderCalendar.info' is under constant development and changes may be made to the content at
any time. The web site reserves the right to change its disclaimer or privacy policy, so users should
review these periodically.
Important notice

A common idea is that the Chinese Gender
Calendar should be based on lunar cycles,
as per the agricultural calendar (yin-
yang-li). But since the Chinese Gender
Calendar has its roots in astrology, which
is based on the sun's movement around
the zodiac, perhaps it makes more sense
to use solar calendar dates. In fact, our
research shows that the highest accuracy
is achieved when western dates (in
accordance with the Gregorian calendar)
are applied.
In other words you don't
need to convert birth dates and conc-
eption dates into other calendar
systems.
Month of Conception
Age of Mother
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
18
G
B
G
B
B
B
B
B
B
B
B
B
19
B
G
B
G
G
B
B
B
B
B
G
G
20
G
B
G
B
B
B
B
B
B
G
B
B
21
B
G
G
G
G
G
G
G
G
G
G
G
22
G
B
B
G
B
G
G
B
G
G
G
G
23
B
B
G
B
B
G
B
G
B
B
B
G
24
B
G
B
B
G
B
B
G
G
G
G
G
25
G
B
B
G
G
B
G
B
B
B
B
B
26
B
G
B
G
G
B
G
B
G
G
G
G
27
G
B
G
B
G
G
B
B
B
B
G
B
28
B
G
B
G
G
G
B
B
B
B
G
G
29
G
B
G
G
B
B
B
B
B
G
G
G
30
B
G
G
G
G
G
G
G
G
G
B
B
31
B
G
B
G
G
G
G
G
G
G
G
B
32
B
G
B
G
G
G
G
G
G
G
G
B
33
G
B
G
B
G
G
G
B
G
G
G
B
34
B
G
B
G
G
G
G
G
G
G
B
B
35
B
B
G
B
G
G
G
B
G
G
B
B
36
G
B
B
G
B
G
G
G
B
B
B
B
37
B
G
B
B
G
B
G
B
G
B
G
B
38
G
B
G
B
B
G
B
G
B
G
B
G
39
B
G
B
B
B
G
G
B
G
B
G
G
40
G
B
G
B
G
B
B
G
B
G
B
G
41
B
G
B
G
B
G
B
B
G
B
G
B
42
G
B
G
B
G
B
G
B
B
G
B
G
43
B
G
B
G
B
G
B
G
B
B
B
B
44
B
B
G
B
B
B
G
B
G
B
G
G
45
G
B
B
G
G
G
B
G
B
G
B
B
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