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Chinese Gender Calendar

Year of the Snake

Chinese Gender Calendar 2025

Chinese New Year 2025 fell on 29 January 2025. Here is the gender chart alongside the exact Gregorian dates of every lunar month in 2025, so you can find the right column for your conception date.

2025 has passed. The chart on this page is still the right one for a 2025 conception. If you are pregnant now, the 2026 page has this year’s lunar dates.

What date do you know?

Used to work out her lunar age

Roughly two weeks after your last period started

Dates from 1900-01-31 to 2101-01-28 are supported. Nothing you type leaves your browser The whole calculation runs on this page.

Lunar months of 2025

The gender chart’s columns are lunar months, not January to December. This table converts them: find your conception date in the date range, and the lunar month number in that row is the column you read on the chart.

Gregorian date ranges for each lunar month of 2025
Lunar monthGregorian datesLengthRoughly
129 Jan – 27 Feb30 daysJanuary
228 Feb – 28 Mar29 daysFebruary
329 Mar – 27 Apr30 daysMarch
428 Apr – 26 May29 daysApril
527 May – 24 Jun29 daysMay
625 Jun – 24 Jul30 daysJune
Leap 625 Jul – 22 Aug29 daysJuly
723 Aug – 21 Sept30 daysAugust
822 Sept – 20 Oct29 daysSeptember
921 Oct – 19 Nov30 daysOctober
1020 Nov – 19 Dec30 daysNovember
1120 Dec – 18 Jan30 daysDecember
1219 Jan – 16 Feb29 daysJanuary

2025 was a leap year in the lunar calendar. An extra month 6 runs 25 July 2025 to 22 August 2025. The chart has no thirteenth column, so conceptions in that window are read against month 6.

Your lunar age in 2025

Everyone gains a lunar year on Chinese New Year, not on their birthday. So for a conception on or after 29 January 2025, your lunar age is one higher than it was the day before. If you conceived in January or early February 2025, before New Year, you are still counted in the previous lunar year, and you will land on a different row of the chart entirely.

The calculator above applies that cutoff automatically, which is the single most common thing other Chinese gender calculators get wrong.

The chart itself

The chart does not change from year to year, only the dates that map onto its columns do. Here it is in full.

BBoyGGirl
Traditional Chinese gender prediction chart: mother’s lunar age 18 to 45 against lunar month of conception 1 to 12. Columns are lunar months, which do not correspond to January through December. B means boy, G means girl.
Lunar ageLunar1Lunar2Lunar3Lunar4Lunar5Lunar6Lunar7Lunar8Lunar9Lunar10Lunar11Lunar12
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

More detail on the full chart page.