Chinese Gender Calendar for Mother’s Lunar Age 21

Use the Chinese Gender Calendar Age 21 chart to check which lunar conception months are traditionally linked with a boy or girl prediction. You may be using it for fun, curiosity, or early pregnancy planning.

Select another age
Not sure about your lunar age?
Calculate my lunar age
Check your lunar age firstTry the Baby Gender Predictor

Age 21 Boy or Girl Quick Checker

Choose the lunar conception month to get the traditional chart prediction for mother’s lunar age 21.

Mother’s Lunar Age
21

Age 21 Gender Prediction Summary

For mother’s lunar age 21, these lunar conception months are traditionally linked with a boy or girl prediction.

Age 21 Boy Months

January

Age 21 Girl Months

FebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Chinese Gender Calendar Age 21 Chart

The month below means Lunar Conception Month. The month names (January–December) refer to Lunar Month 1–12 and may not match the Gregorian calendar.

Lunar Conception MonthPrediction
Lunar Month 1 / JanuaryBoy
Lunar Month 2 / FebruaryGirl
Lunar Month 3 / MarchGirl
Lunar Month 4 / AprilGirl
Lunar Month 5 / MayGirl
Lunar Month 6 / JuneGirl
Lunar Month 7 / JulyGirl
Lunar Month 8 / AugustGirl
Lunar Month 9 / SeptemberGirl
Lunar Month 10 / OctoberGirl
Lunar Month 11 / NovemberGirl
Lunar Month 12 / DecemberGirl

How to Use the Chinese Gender Calendar Age 21 Chart

  1. Make sure 21 is your Chinese lunar age, not your Western age.
  2. Find your lunar conception month.
  3. Match lunar age 21 with the lunar conception month in the chart above.
  4. Read the traditional boy or girl prediction.

Not sure whether your lunar age is really 21? Use our Lunar Age Calculator.

Lunar Age Calculator

Best Months for a Boy at Age 21

In the traditional chart for lunar age 21, these lunar conception months are marked as boy months.

  • January

Best Months for a Girl at Age 21

In the traditional chart for lunar age 21, these lunar conception months are marked as girl months.

  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December

What If Your Real Age Is Not Lunar Age?

The Chinese Gender Calendar traditionally uses the mother’s nominal (lunar) age. If you use Western age21 by mistake, you may read the wrong row in the chart.

If you only know your due date, use a due date or conception date tool first, then confirm the lunar conception month.

Age 21 Pregnancy Planning Notes

If you are exploring the chart at lunar age 21, focus on understanding lunar age vs Western age and how lunar conception months work. Use the result for fun and do not rely on it as a medical method.

Common Mistakes When Using the Age 21 Chart

  1. Using Western age 21 instead of lunar age 21.
  2. Using Gregorian conception month instead of lunar month.
  3. Using due date instead of conception date.
  4. Ignoring possible lunar month changes during the conception window.

Related Mother’s Lunar Ages

Age 20Age 22All ages 18–45
18192021222324252627282930313233343536373839404142434445

Related Tools

Lunar Age CalculatorCalculate your Chinese lunar age for the chart match.Lunar Conception Month CalculatorConvert a conception date into a lunar conception month.Chinese Gender PredictorUse the interactive predictor to match age and month.Printable Chinese Gender ChartPrint or save a PDF-style version of the chart.Accuracy GuideLearn what the chart can and cannot tell you.

FAQ About Chinese Gender Calendar Age 21

You can use it at lunar age 21 for fun or curiosity. It is a traditional chart and not a medical method.

Use the mother’s Chinese lunar age (nominal age). Western age and lunar age can differ by about 1 year.

Yes. Many people use it as a cultural reference during early pregnancy planning. Results are for entertainment only.

For lunar age 21, boy months are: January. These are lunar conception months (Lunar Month 1–12). They do not necessarily match Gregorian calendar months.

For lunar age 21, girl months are: February, March, April, May, June, July, August, September, October, November, December. These are lunar conception months (Lunar Month 1–12). They do not necessarily match Gregorian calendar months.