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Chinese Gender Calendar
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Chinese gender calendar 2034

This chart is a game. The mother’s age and the conception date cannot reliably predict a baby’s sex.

Lunar New Year · 13 lunar-month periods in this Gregorian year
Download PDF · 2034

Two A4 landscape pages: the chart, then the date ranges and instructions.

B = BoyG = Girl

Scroll horizontally to see every month. The age column stays visible.

Gender chart by nominal lunar age and conception period
Lunar ageLunar month 112033 · Repeated month – Lunar month 122033 – Lunar month 12034 – Lunar month 22034 – Lunar month 32034 – Lunar month 42034 – Lunar month 52034 – Lunar month 62034 – Lunar month 72034 – Lunar month 82034 – Lunar month 92034 – Lunar month 102034 – Lunar month 112034 –
18BBBBGBBBBBBBB
19BBGBBGBBBBBBB
20BBBGBBGBBBBBB
21BBGBGBBGBBBBB
22BBBGBGBBGBBBB
23BBGBGBGBBGBBB
24BBBGBGBGBBGBB
25BBGBGBGBGBBGB
26GBBGBGBGBGBBG
27BGGBGBGBGBGBB
28BBBGBGBGBGBGB
29GBGBGBGBGBGBG
30BGBGBGBGBGBGB
31GBGBGBGBGBGBG
32BGBGBGBGBGBGB
33GBGBGBGBGBGBG
34BGBGBGBGBGBGB
35GBGBGBGBGBGBG
36BGBGBGBGBGBGB
37GBGBGBGBGBGBG
38BGBGBGBGBGBGB
39GBGBGBGBGBGBG
40BGBGBGBGBGBGB
41GBGBGBGBGBGBG
42BGBGBGBGBGBGB
43GBGBGBGBGBGBG

How to read this calendar

  1. Find the estimated conception date in the Gregorian date ranges. The columns follow lunar months, so they do not start on the first day of each Gregorian month. The first and last periods are limited to the selected calendar year.
  2. Use the mother’s nominal lunar age at conception: conception lunar year minus birth lunar year, plus one. Under this convention, age increases at Lunar New Year rather than on a birthday. The date-based calculator can work it out for you.
  3. Read the cell where that age row meets the conception-period column. The letter gives the result of the game; it does not give a probability.

Use the date-based calculator

Lunar months and Gregorian date ranges

Lunar monthLunar yearGregorian dates
11 · Repeated month2033 –
122033 –
12034 –
22034 –
32034 –
42034 –
52034 –
62034 –
72034 –
82034 –
92034 –
102034 –
112034 –

Dates and method

This is the same 26-row chart used by our calculator, for nominal ages 18–43. Its historical origin is undocumented. A repeated lunar month uses the same result column as the regular month.

The Hong Kong Observatory publishes Gregorian–lunar conversion tables. They provide a reference for dates, not evidence for the gender chart.

Hong Kong Observatory · 2034

Chinese gender calendar: history and legends