Someone born in January 1972 — Pig or Rat?

Pig. The Rat year did not begin until Lichun (立春), 5 Feb 1972, 01:20 (Beijing time, UTC+8), so every birthday from 1 January up to that instant still belongs to the Metal Pig year 辛亥. Chinese New Year 1972 fell on 15 February 1972, which is a different boundary again; classical chart work uses Lichun. Convert your birth moment to Beijing time before comparing it, because the Chinese calendar is defined on that meridian.

Why is 1972 called a Water Rat twice over?

Because both halves of the pillar carry the same element. The stem 壬 is Yang Water, and the branch 子 — the Rat itself — is fixed as Water in the branch tables. 1972 is one of the years where the two agree, which is why tables that read the stem and tables that read the branch both print Water Rat. Its na yin, a third and older system, reads 桑柘木 (Wood).

How old is someone born in 1972 in 2027?

54–55 by the ordinary count at Lichun 2027, and 56 by the nominal count (虚岁) that starts at one and rises at each Chinese New Year. The two answers differ because the ordinary count waits for the birthday and the nominal one does not. 1972 is one of 9 Rat years between 1924 and 2027; in 2027 all of them stand in the same relationship to the Tai Sui — Harm 害太岁 — but each is a different age.

1972 Chinese Zodiac: Year of the Water Rat (壬子)

壬子 Ren Zi · Yang Water over the Rat's Water branch · number 49 of 60

1972 was a 壬子 (Ren Zi) year — the 49th of the sixty stem-and-branch combinations, and in everyday English a Water Rat year. The element in that name comes from the heavenly stem 壬 (Yang Water); the branch 子, the Rat itself, carries Water whatever the stem above it says. Its na yin, the older sixty-part scheme, reads 桑柘木 — a Wood na yin.

The 1972 zodiac year did not start on 1 January. It started at Lichun (立春), 5 Feb 1972, 01:20 (Beijing time, UTC+8), and ran until the instant before Lichun 1973, 4 Feb 1973, 07:04 (Beijing time, UTC+8). Chinese New Year 1972 fell on 15 February 1972, a separate boundary that festivals use; between the two dates the popular and the classical conventions disagree. Anyone born in January or early February 1972 should check the table below before claiming a sign.

1972 is one of 9 Rat years between 1924 and 2027, and the only Water Rat year in that span, because stem and branch only line up again after sixty years: the same 壬子 pillar last stood in 1912 and returns in 2032.

Which sign a 1972 birthday belongs to

Two rows, one boundary: the zodiac year turns at Lichun, not at midnight on 1 January and not at Chinese New Year.
Born between (Beijing time)	Stem and branch	Sign	Why
1 January 1972, 00:00 → 5 February 1972, 01:20	辛亥	Metal Pig	Still the Pig year that opened in 1971.
5 February 1972, 01:20 → 31 December 1972, 23:59	壬子	Water Rat	The Rat year proper; it runs on past 31 December until Lichun 1973.

Born on 1 January 1972? That is a Pig, not a Rat: the Metal Pig year 辛亥 ran on until 5 February 1972 at 01:20 Beijing time.

Lichun is an astronomical instant, not a date: in 1972 it fell at 01:20 Beijing time (UTC+8). The instant itself starts the Rat year, so a birth at 01:20 on that day is already a Rat. Convert your own birth moment to Beijing time first — a birth in the Americas on the previous evening can already be past Lichun in Beijing. Check an exact birth date and time.

The 壬子 pillar

Every row is computed: the stem and branch from the Lichun boundary, the na yin from the sixty-cycle table, both dates from the Chinese calendar itself.
	1972
Stem and branch	壬子 (Ren Zi)
Place in the sixty-year cycle	49 of 60
Heavenly stem	壬 — Yang Water 水
Earthly branch	子 — the Rat 鼠, fixed element Water 水
Na yin (纳音)	桑柘木 — a Wood na yin
Lichun (start of the zodiac year)	5 Feb 1972, 01:20 (Beijing time, UTC+8)
Chinese New Year	15 February 1972
Same pillar last seen / next seen	1912 / 2032

Ten stems and twelve branches only return to the same pairing after sixty years, so 壬子 belongs to 1912, 1972 and 2032 and to no year in between. That is why a sixtieth birthday is traditionally marked: it is the year the whole pillar comes back.

The Water Rat

Water Rat (Ren Zi) doubles the element, stem and branch both Water, which the texts treat as the purest and least anchored version of the sign. Intuition, mobility and a talent for reading currents are the stock descriptions, along with the stock caution: without a solid commitment to give it banks, the water spreads. This is the variant most often advised to finish things.

Five stems above one branch: the animal returns every twelve years, the exact pillar only every sixty, so the five variants are not evenly spread across any span shorter than that.
Variant	Stem and branch	Rat years 1924–2027
Wood Rat	甲子	1924, 1984
Fire Rat	丙子	1936, 1996
Earth Rat	戊子	1948, 2008
Metal Rat	庚子	1960, 2020
Water Rat	壬子	1972

Every Rat year from 1924 to 2027

Born in 1972: the 2027 Goat year

The Tai Sui relationship and the lucky element belong to the sign, not to the birth year, so every Goat year on this site reads the same here; the ages do not.
	Rat born 1972
Age at Lichun 2027	54–55
Nominal age 虚岁	56
Relationship with the 2027 Tai Sui	Harm 害太岁
Traditional reading	Mixed — a minor Tai Sui affliction
Ben Ming Nian 本命年	No — 2027 is a Goat year
Lucky element for the year	Metal · white, gold · 4, 9 · West

At Lichun 2027 someone born in 1972 is 54 if their birthday has not yet come round and 55 if it has. The nominal age (虚岁), counted as one at birth and raised at each Chinese New Year, is 56 once New Year 2027 has passed.

The full reading — the month-by-month table, the five-element relationship with the year stem and the traditional remedies — is on Rat in 2027. For the part of the sign that does not move with the year, see the Rat profile.

Frequently asked questions

Someone born in January 1972 — Pig or Rat?: Pig. The Rat year did not begin until Lichun (立春), 5 Feb 1972, 01:20 (Beijing time, UTC+8), so every birthday from 1 January up to that instant still belongs to the Metal Pig year 辛亥. Chinese New Year 1972 fell on 15 February 1972, which is a different boundary again; classical chart work uses Lichun. Convert your birth moment to Beijing time before comparing it, because the Chinese calendar is defined on that meridian.
Why is 1972 called a Water Rat twice over?: Because both halves of the pillar carry the same element. The stem 壬 is Yang Water, and the branch 子 — the Rat itself — is fixed as Water in the branch tables. 1972 is one of the years where the two agree, which is why tables that read the stem and tables that read the branch both print Water Rat. Its na yin, a third and older system, reads 桑柘木 (Wood).
How old is someone born in 1972 in 2027?: 54–55 by the ordinary count at Lichun 2027, and 56 by the nominal count (虚岁) that starts at one and rises at each Chinese New Year. The two answers differ because the ordinary count waits for the birthday and the nominal one does not. 1972 is one of 9 Rat years between 1924 and 2027; in 2027 all of them stand in the same relationship to the Tai Sui — Harm 害太岁 — but each is a different age.