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Chinese gender calendar

A centuries-old folk chart that names a boy or a girl from the mother's lunar age and the lunar month of conception. Play with it for fun; it is not a medical test.

The chart says

Just for fun. It is a folk tradition, not a prediction.

Boy or girl, see their face

Baby Generator AI blends a photo of each parent into an AI picture of your future baby, as a boy or a girl.

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The full chart

Find the mother's lunar age at conception on the left and the lunar month of conception along the top.

Age123456789101112
18GirlBoyGirlBoyBoyBoyBoyBoyBoyBoyBoyBoy
19BoyGirlBoyGirlGirlBoyBoyBoyBoyBoyGirlGirl
20GirlBoyGirlBoyBoyBoyBoyBoyBoyGirlBoyBoy
21BoyGirlGirlGirlGirlGirlGirlGirlGirlGirlGirlGirl
22GirlBoyBoyGirlBoyGirlGirlBoyGirlGirlGirlGirl
23BoyBoyGirlBoyBoyGirlBoyGirlBoyBoyBoyGirl
24BoyGirlBoyBoyGirlBoyBoyGirlGirlGirlGirlGirl
25GirlBoyBoyGirlGirlBoyGirlBoyBoyBoyBoyBoy
26BoyGirlBoyGirlGirlBoyGirlBoyGirlGirlGirlGirl
27GirlBoyGirlBoyGirlGirlBoyBoyBoyBoyGirlBoy
28BoyGirlBoyGirlGirlGirlBoyBoyBoyBoyGirlGirl
29GirlBoyGirlGirlBoyBoyBoyBoyBoyGirlGirlGirl
30BoyGirlGirlGirlGirlGirlGirlGirlGirlGirlBoyBoy
31BoyGirlBoyGirlGirlGirlGirlGirlGirlGirlGirlBoy
32BoyGirlBoyGirlGirlGirlGirlGirlGirlGirlGirlBoy
33GirlBoyGirlBoyGirlGirlGirlBoyGirlGirlGirlBoy
34BoyGirlBoyGirlGirlGirlGirlGirlGirlGirlBoyBoy
35BoyBoyGirlBoyGirlGirlGirlBoyGirlGirlBoyBoy
36GirlBoyBoyGirlBoyGirlGirlGirlBoyBoyBoyBoy
37BoyGirlBoyBoyGirlBoyGirlBoyGirlBoyGirlBoy
38GirlBoyGirlBoyBoyGirlBoyGirlBoyGirlBoyGirl
39BoyGirlBoyBoyBoyGirlGirlBoyGirlBoyGirlGirl
40GirlBoyGirlBoyGirlBoyBoyGirlBoyGirlBoyGirl
41BoyGirlBoyGirlBoyGirlBoyBoyGirlBoyGirlBoy
42GirlBoyGirlBoyGirlBoyGirlBoyBoyGirlBoyGirl
43BoyGirlBoyGirlBoyGirlBoyGirlBoyBoyBoyBoy
44BoyBoyGirlBoyBoyBoyGirlBoyGirlBoyGirlGirl
45GirlBoyBoyGirlGirlGirlBoyGirlBoyGirlBoyBoy

How the calendar works

The chart has one row for each lunar age from 18 to 45 and one column for each lunar month. Where the two meet, it names a boy or a girl.

In the traditional count a baby is one year old at birth and turns a year older at every Lunar New Year, so the lunar age is usually one or two years more than the age you celebrate. The calculator converts both dates with your browser's Chinese calendar. A leap month counts as the month it repeats.

What it cannot tell you

Researchers who compared the chart with real births found it right about half the time, the same as guessing. Versions of the chart printed in different places also disagree in a few squares.

A baby's sex is set at conception. Only a scan or a prenatal test can tell, so ask your doctor or midwife. Curious about the face instead? What will my baby look like?

Questions

Is the Chinese gender calendar accurate?

No. It is a folk tradition. Researchers who compared it with real births found it right about half the time, the same as guessing. Use it for fun.

What is my lunar age?

In the traditional count you are one at birth and a year older at every Lunar New Year, so your lunar age is usually one or two years more than your age. The calculator works it out from your date of birth.

Which date should I enter for conception?

The day you conceived, if you know it. If not, about two weeks after the first day of your last period is a common estimate.