In love
Undemonstrative but dependable. Commitment is shown by showing up, not by saying so.
Settled date · day 10 of 30 in the sign
December 31 zodiac sign: Capricorn
The December 31 zodiac sign is Capricorn in every year from 1930 to 2029: on that date the Sun stands 9°48′ into the sign, 9 days past its start and 20 days before Aquarius begins.
- Sun sign
- Capricorn at noon in every year 1930–2029
- US births a day
- 10,549 #348 of 366 dates
- Day of the year
- 365th 366th in leap years
- Sun at noon 2026
- 9°48′ of Capricorn
Births: US Social Security Administration 2000–2014. Sun: NASA JPL DE440.
How common is this birthday
December 31 among the 366 days
December 31 averages 10,549 births a day in the US — the 19th least common of the 366 dates, 7.0% below the average day. The deep dips are holidays.
18 pages · printable
The 2027 Sky Calendar — free PDF
Every retrograde, eclipse, new and full moon of 2027 to the minute, already converted to your city. A month to a page, ready to print.
Where in Capricorn this falls
December 31 falls on day 10 of the Jupiter decan (21–December 31, 2026).
Jupiter-ruled decan of Capricorn
Decan
1 of 3 · 0°–10°
Sub-ruler
Jupiter
Sign ruler
Saturn
Sun at noon, 2026
9°48′
Jupiter widens the sign — more appetite, more optimism, and less patience with detail. In its first ten degrees Capricorn shows in its rawest form: Sagittarius has only just handed over, and nothing of the new sign has worn down yet.
Personality
December 31 birthday personality
People born on December 31 are Capricorn, and the sign is read as ambition, structure and playing the long game. Plans in decades and executes without needing encouragement along the way.
The 31st reduces to 4 and combines 3 (creativity) with 1 (originality). Numerologists read it as practical imagination: those born on this day have inventive ideas and, unlike many creative people, the discipline to turn them into something that works. Birthday number 31 in full →
At work
Built for institutions and long climbs. Impatient with people who need motivating.
Stone and flower
The December birthstones are turquoise, zircon and tanzanite (blue to blue-violet), and the month's flowers are the narcissus and holly.
Look up your birth year
Every year, computed
All 100 years for December 31. Each row is calculated for that exact day — sun position, life path, the Moon's sign and nakshatra, and which planets were retrograde. Find your year.
| Year | Sun | Life path | Moon | Nakshatra | Retrograde |
|---|---|---|---|---|---|
| 1930 | Capricorn 9.1° | 11 | Taurus | Bharani 4 | Mercury Mars Jupiter |
| 1931 | Capricorn 8.85° | 3 | Libra | Uttara Phalguni 4 | Mercury Jupiter |
| 1932 | Capricorn 9.63° | 4 | Pisces | Shatabhisha 1 | — |
| 1933 | Capricorn 9.38° | 5 | Cancer | Ardra 2 | — |
| 1934 | Capricorn 9.14° | 6 | Scorpio | Swati 3 | — |
| 1935 | Capricorn 8.89° | 7 | Pisces | Purva Bhadrapada 4 | — |
| 1936 | Capricorn 9.66° | 8 | Leo | Ashlesha 4 | — |
| 1937 | Capricorn 9.41° | 9 | Sagittarius | Mula 1 | Mercury |
| 1938 | Capricorn 9.16° | 1 | Aries | Ashwini 2 | — |
| 1939 | Capricorn 8.91° | 11 | Virgo | Purva Phalguni 4 | — |
| 1940 | Capricorn 9.69° | 3 | Aquarius | Shravana 3 | Saturn |
| 1941 | Capricorn 9.44° | 4 | Gemini | Rohini 4 | Jupiter Saturn |
| 1942 | Capricorn 9.18° | 5 | Libra | Chitra 1 | Jupiter Saturn |
| 1943 | Capricorn 8.94° | 6 | Pisces | Shatabhisha 3 | Mercury Mars Jupiter Saturn |
| 1944 | Capricorn 9.71° | 7 | Leo | Pushya 2 | Mercury Saturn |
| 1945 | Capricorn 9.47° | 8 | Sagittarius | Anuradha 3 | Mars Saturn |
| 1946 | Capricorn 9.22° | 9 | Aries | Uttara Bhadrapada 4 | Saturn |
| 1947 | Capricorn 8.97° | 1 | Virgo | Magha 3 | Saturn |
| 1948 | Capricorn 9.75° | 11 | Capricorn | Uttara Ashadha 1 | Saturn |
| 1949 | Capricorn 9.5° | 3 | Taurus | Krittika 2 | Saturn |
| 1950 | Capricorn 9.24° | 4 | Libra | Uttara Phalguni 4 | Mercury |
| 1951 | Capricorn 9° | 5 | Aquarius | Dhanishta 2 | — |
| 1952 | Capricorn 9.78° | 6 | Cancer | Ardra 4 | Jupiter |
| 1953 | Capricorn 9.53° | 7 | Scorpio | Vishakha 1 | Jupiter |
| 1954 | Capricorn 9.28° | 8 | Pisces | Purva Bhadrapada 3 | Jupiter |
| 1955 | Capricorn 9.03° | 9 | Leo | Ashlesha 1 | Jupiter |
| 1956 | Capricorn 9.81° | 1 | Capricorn | Mula 3 | — |
| 1957 | Capricorn 9.56° | 11 | Taurus | Ashwini 4 | Mercury |
| 1958 | Capricorn 9.31° | 3 | Virgo | Purva Phalguni 3 | — |
| 1959 | Capricorn 9.07° | 4 | Aquarius | Uttara Ashadha 4 | — |
| 1960 | Capricorn 9.83° | 5 | Gemini | Mrigashira 3 | Mars |
| 1961 | Capricorn 9.58° | 6 | Libra | Chitra 3 | — |
| 1962 | Capricorn 9.33° | 7 | Pisces | Shatabhisha 2 | Mars |
| 1963 | Capricorn 9.08° | 8 | Cancer | Punarvasu 3 | Mercury |
| 1964 | Capricorn 9.86° | 9 | Sagittarius | Jyeshtha 2 | Jupiter |
| 1965 | Capricorn 9.61° | 1 | Aries | Revati 2 | Jupiter |
| 1966 | Capricorn 9.36° | 11 | Leo | Magha 2 | Jupiter |
| 1967 | Capricorn 9.12° | 3 | Capricorn | Purva Ashadha 3 | Jupiter |
| 1968 | Capricorn 9.89° | 4 | Gemini | Rohini 1 | — |
| 1969 | Capricorn 9.65° | 5 | Libra | Hasta 1 | Saturn |
| 1970 | Capricorn 9.4° | 6 | Aquarius | Dhanishta 2 | Mercury Saturn |
| 1971 | Capricorn 9.15° | 7 | Cancer | Ardra 2 | Saturn |
| 1972 | Capricorn 9.93° | 8 | Scorpio | Vishakha 4 | Saturn |
| 1973 | Capricorn 9.68° | 9 | Pisces | Purva Bhadrapada 4 | Saturn |
| 1974 | Capricorn 9.43° | 1 | Leo | Ashlesha 1 | Saturn |
| 1975 | Capricorn 9.18° | 11 | Sagittarius | Mula 1 | Mars Saturn |
| 1976 | Capricorn 9.95° | 3 | Taurus | Bharani 3 | Mercury Jupiter Saturn |
| 1977 | Capricorn 9.7° | 4 | Virgo | Purva Phalguni 3 | Mercury Mars Jupiter Saturn |
| 1978 | Capricorn 9.46° | 5 | Aquarius | Uttara Ashadha 4 | Jupiter Saturn |
| 1979 | Capricorn 9.21° | 6 | Gemini | Rohini 4 | Jupiter |
| 1980 | Capricorn 9.98° | 7 | Scorpio | Swati 2 | — |
| 1981 | Capricorn 9.73° | 8 | Pisces | Shatabhisha 2 | — |
| 1982 | Capricorn 9.48° | 9 | Cancer | Punarvasu 4 | — |
| 1983 | Capricorn 9.23° | 1 | Sagittarius | Anuradha 4 | Mercury |
| 1984 | Capricorn 10.01° | 11 | Aries | Ashwini 1 | — |
| 1985 | Capricorn 9.76° | 3 | Leo | Magha 2 | — |
| 1986 | Capricorn 9.51° | 4 | Capricorn | Purva Ashadha 3 | — |
| 1987 | Capricorn 9.27° | 5 | Taurus | Krittika 3 | — |
| 1988 | Capricorn 10.04° | 6 | Libra | Hasta 3 | Jupiter |
| 1989 | Capricorn 9.79° | 7 | Aquarius | Dhanishta 1 | Mercury Venus Jupiter |
| 1990 | Capricorn 9.55° | 8 | Cancer | Ardra 2 | Mercury Mars Jupiter |
| 1991 | Capricorn 9.3° | 9 | Scorpio | Vishakha 2 | Jupiter |
| 1992 | Capricorn 10.08° | 1 | Aries | Uttara Bhadrapada 2 | Mars |
| 1993 | Capricorn 9.83° | 11 | Leo | Ashlesha 1 | — |
| 1994 | Capricorn 9.58° | 3 | Sagittarius | Mula 1 | — |
| 1995 | Capricorn 9.33° | 4 | Taurus | Bharani 2 | — |
| 1996 | Capricorn 10.1° | 5 | Virgo | Uttara Phalguni 1 | Mercury |
| 1997 | Capricorn 9.85° | 6 | Aquarius | Uttara Ashadha 4 | Venus |
| 1998 | Capricorn 9.6° | 7 | Gemini | Mrigashira 1 | — |
| 1999 | Capricorn 9.35° | 8 | Scorpio | Swati 1 | Saturn |
| 2000 | Capricorn 10.12° | 9 | Pisces | Shatabhisha 4 | Jupiter Saturn |
| 2001 | Capricorn 9.87° | 1 | Cancer | Punarvasu 4 | Jupiter Saturn |
| 2002 | Capricorn 9.63° | 11 | Sagittarius | Anuradha 4 | Jupiter Saturn |
| 2003 | Capricorn 9.38° | 3 | Aries | Revati 4 | Mercury Saturn |
| 2004 | Capricorn 10.16° | 4 | Virgo | Magha 3 | Saturn |
| 2005 | Capricorn 9.91° | 5 | Capricorn | Purva Ashadha 3 | Venus Saturn |
| 2006 | Capricorn 9.66° | 6 | Gemini | Krittika 3 | Saturn |
| 2007 | Capricorn 9.42° | 7 | Libra | Hasta 3 | Mars Saturn |
| 2008 | Capricorn 10.19° | 8 | Aquarius | Dhanishta 2 | — |
| 2009 | Capricorn 9.94° | 9 | Cancer | Ardra 2 | Mercury Mars |
| 2010 | Capricorn 9.69° | 1 | Scorpio | Vishakha 3 | — |
| 2011 | Capricorn 9.45° | 11 | Aries | Uttara Bhadrapada 2 | — |
| 2012 | Capricorn 10.22° | 3 | Leo | Ashlesha 2 | Jupiter |
| 2013 | Capricorn 9.97° | 4 | Sagittarius | Mula 1 | Venus Jupiter |
| 2014 | Capricorn 9.72° | 5 | Taurus | Bharani 2 | Jupiter |
| 2015 | Capricorn 9.47° | 6 | Virgo | Uttara Phalguni 1 | — |
| 2016 | Capricorn 10.25° | 7 | Aquarius | Shravana 1 | Mercury |
| 2017 | Capricorn 10° | 8 | Gemini | Rohini 4 | — |
| 2018 | Capricorn 9.75° | 9 | Scorpio | Swati 2 | — |
| 2019 | Capricorn 9.5° | 1 | Pisces | Shatabhisha 3 | — |
| 2020 | Capricorn 10.27° | 11 | Cancer | Punarvasu 4 | — |
| 2021 | Capricorn 10.02° | 3 | Sagittarius | Anuradha 4 | Venus |
| 2022 | Capricorn 9.77° | 4 | Aries | Ashwini 1 | Mercury Mars |
| 2023 | Capricorn 9.53° | 5 | Virgo | Magha 2 | Mercury |
| 2024 | Capricorn 10.3° | 6 | Capricorn | Purva Ashadha 3 | Mars Jupiter |
| 2025 | Capricorn 10.06° | 7 | Taurus | Krittika 3 | Jupiter |
| 2026 | Capricorn 9.81° | 8 | Libra | Chitra 1 | Jupiter |
| 2027 | Capricorn 9.57° | 9 | Aquarius | Dhanishta 1 | — |
| 2028 | Capricorn 10.34° | 1 | Cancer | Ardra 3 | Saturn |
| 2029 | Capricorn 10.09° | 11 | Scorpio | Vishakha 3 | Mercury Venus Saturn |
The Moon and nakshatra columns change every year because the Moon returns to the same calendar date in a different position — which is why a birth date alone cannot tell you those, and why this table exists.
A century of December 31
Day of the year
366 of 366
Mercury was retrograde on this date in
21 of 100 years
(21%)
Latest of those, to 2029
2003, 2009, 2016, 2022, 2023, 2029
Full moon fell on this date in
6 years — 1933, 1952, 1971, 1990, 2009, 2028
Most frequent moon phase
Waxing Crescent · 20 years
Counted for December 31 alone, at noon UTC in each year from 1930 to 2029. Why the counts differ from date to date →
Year by year
2006
Capricorn
life path 6
2007
Capricorn
life path 7
2008
Capricorn
life path 8
2009
Capricorn
life path 9
2010
Capricorn
life path 1
2011
Capricorn
life path 11
2012
Capricorn
life path 3
2013
Capricorn
life path 4
2014
Capricorn
life path 5
2015
Capricorn
life path 6
2016
Capricorn
life path 7
2017
Capricorn
life path 8
2018
Capricorn
life path 9
2019
Capricorn
life path 1
2020
Capricorn
life path 11
2021
Capricorn
life path 3
2022
Capricorn
life path 4
2023
Capricorn
life path 5
2024
Capricorn
life path 6
2025
Capricorn
life path 7
2026
Capricorn
life path 8
2027
Capricorn
life path 9
2028
Capricorn
life path 1
2029
Capricorn
life path 11
The sign is the same in every tile; only the life path number moves.
Life path numbers this date produces
11
12 years · 12%
3
11 years · 11%
4
11 years · 11%
5
11 years · 11%
6
11 years · 11%
7
11 years · 11%
8
11 years · 11%
9
11 years · 11%
1
11 years · 11%
The most frequent is 11 with 12 years; every other number turns up in 11 years. And this date can carry a master number: 11 in 12 of those years — kept whole rather than reduced. Why 11, 22 and 33 are treated differently →
Questions about December 31 birthdays
What zodiac sign is December 31?
Capricorn in all 100 years from 1930 to 2029: the Sun stands at 9°48′ Capricorn on December 31, 9 days after the sign begins and 20 before Aquarius takes over.
What life path numbers does December 31 produce?
Across 100 birth years the most common is 11 (12 years); every other number appears in 11 years.
Which decan is December 31?
The 1st decan of Capricorn, 0° to 10°, sub-ruled by Jupiter in the Chaldean order.
Can December 31 be a master number birth date?
Yes — 11, in 12 of the 100 years: 1930, 1939, 1948, 1957, 1966, 1975, 1984, 1993, 2002, 2011, 2020 and 2029.
Cite this page
AstroHot. “December 31 Zodiac Sign: Capricorn, and Why It Never Changes.” Accessed October 28, 2026. https://astrohot.com/birthday/december-31/
For Wikipedia
{{cite web |title=December 31 Zodiac Sign: Capricorn, and Why It Never Changes |url=https://astrohot.com/birthday/december-31/ |website=AstroHot |access-date=2026-10-28}}