Zodiac Almanac

1977 Chinese Zodiac: Year of the Fire Snake (丁巳)

丁巳 Ding Si · Yin Fire over the Snake's Fire branch · number 54 of 60

1977 was a 丁巳 (Ding Si) year — the 54th of the sixty stem-and-branch combinations, and in everyday English a Fire Snake year. The element in that name comes from the heavenly stem 丁 (Yin Fire); the branch 巳, the Snake itself, carries Fire whatever the stem above it says. Its na yin, the older sixty-part scheme, reads 沙中土 — an Earth na yin.

The 1977 zodiac year did not start on 1 January. It started at Lichun (立春), 4 Feb 1977, 06:33 (Beijing time, UTC+8), and ran until the instant before Lichun 1978, 4 Feb 1978, 12:26 (Beijing time, UTC+8). Chinese New Year 1977 fell on 18 February 1977, a separate boundary that festivals use; between the two dates the popular and the classical conventions disagree. Anyone born in January or early February 1977 should check the table below before claiming a sign.

1977 is one of 9 Snake years between 1924 and 2027, and the only Fire Snake year in that span, because stem and branch only line up again after sixty years: the same 丁巳 pillar last stood in 1917 and returns in 2037.

Which sign a 1977 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 branchSignWhy
1 January 1977, 00:00 → 4 February 1977, 06:33丙辰Fire DragonStill the Dragon year that opened in 1976.
4 February 1977, 06:33 → 31 December 1977, 23:59丁巳Fire SnakeThe Snake year proper; it runs on past 31 December until Lichun 1978.

Born on 1 January 1977? That is a Dragon, not a Snake: the Fire Dragon year 丙辰 ran on until 4 February 1977 at 06:33 Beijing time.

Lichun is an astronomical instant, not a date: in 1977 it fell at 06:33 Beijing time (UTC+8). The instant itself starts the Snake year, so a birth at 06:33 on that day is already a Snake. 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 丁巳 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.
1977
Stem and branch丁巳 (Ding Si)
Place in the sixty-year cycle54 of 60
Heavenly stem丁 — Yin Fire 火
Earthly branch巳 — the Snake 蛇, fixed element Fire 火
Na yin (纳音)沙中土 — an Earth na yin
Lichun (start of the zodiac year)4 Feb 1977, 06:33 (Beijing time, UTC+8)
Chinese New Year18 February 1977
Same pillar last seen / next seen1917 / 2037

Ten stems and twelve branches only return to the same pairing after sixty years, so 丁巳 belongs to 1917, 1977 and 2037 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 Fire Snake

Fire Snake (Ding Si) doubles the element and is the most intense version of the sign. Stem and branch both Fire gives the texts their picture of concentrated attention — obsessive study, strong convictions, a quiet person with a very hot centre. The classical caution is that Ding burns inward, and this variant is described as consuming itself over things it never mentions.

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.
VariantStem and branchSnake years 1924–2027
Wood Snake乙巳1965, 2025
Fire Snake丁巳1977
Earth Snake己巳1929, 1989
Metal Snake辛巳1941, 2001
Water Snake癸巳1953, 2013

Every Snake year from 1924 to 2027

Born in 1977: 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.
Snake born 1977
Age at Lichun 202749–50
Nominal age 虚岁51
Relationship with the 2027 Tai SuiNone
Traditional readingSteady — no direct relationship with the Tai Sui
Ben Ming Nian 本命年No — 2027 is a Goat year
Lucky element for the yearWood · green, teal · 3, 8 · East

At Lichun 2027 someone born in 1977 is 49 if their birthday has not yet come round and 50 if it has. The nominal age (虚岁), counted as one at birth and raised at each Chinese New Year, is 51 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 Snake in 2027. For the part of the sign that does not move with the year, see the Snake profile.

Frequently asked questions

Someone born in January 1977 — Dragon or Snake?
Dragon. The Snake year did not begin until Lichun (立春), 4 Feb 1977, 06:33 (Beijing time, UTC+8), so every birthday from 1 January up to that instant still belongs to the Fire Dragon year 丙辰. Chinese New Year 1977 fell on 18 February 1977, 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 1977 called a Fire Snake twice over?
Because both halves of the pillar carry the same element. The stem 丁 is Yin Fire, and the branch 巳 — the Snake itself — is fixed as Fire in the branch tables. 1977 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 Fire Snake. Its na yin, a third and older system, reads 沙中土 (Earth).
How old is someone born in 1977 in 2027?
49–50 by the ordinary count at Lichun 2027, and 51 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. 1977 is one of 9 Snake years between 1924 and 2027; in 2027 all of them stand in the same relationship to the Tai Sui — None — but each is a different age.