In love
Values friendship inside a relationship above romance. Needs autonomy preserved.
Settled date · day 12 of 30 in the sign
January 31 zodiac sign: Aquarius
The January 31 zodiac sign is Aquarius in every year from 1930 to 2029: on that date the Sun stands 11°37′ into the sign, 11 days past its start and 18 days before Pisces begins.
- Sun sign
- Aquarius at noon in every year 1930–2029
- US births a day
- 11,266 #204 of 366 dates
- Day of the year
- 31st in every year
- Sun at noon 2026
- 11°37′ of Aquarius
Births: US Social Security Administration 2000–2014. Sun: NASA JPL DE440.
How common is this birthday
January 31 among the 366 days
January 31 averages 11,266 births a day in the US — the 163rd least common of the 366 dates, 0.7% 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 Aquarius this falls
January 31 falls on day 2 of the Mercury decan (January 29–February 8, 2026).
Mercury-ruled decan of Aquarius
Decan
2 of 3 · 10°–20°
Sub-ruler
Mercury
Sign ruler
Uranus (traditionally Saturn)
Sun at noon, 2026
11°37′
Mercury wires the sign for analysis and talk — quicker, more articulate, less settled. The middle ten degrees are Aquarius at full strength: past the entry from Capricorn, not yet leaning toward Pisces.
Personality
January 31 birthday personality
People born on January 31 are Aquarius, and the sign is read as independence, principle and distance from the herd. Thinks for itself and cares about fairness at a scale beyond its own circle.
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
Strong on innovation and systems thinking. Resists hierarchy on principle.
Stone and flower
The January birthstone is garnet (deep red), and the month's flowers are the carnation and snowdrop.
Look up your birth year
Every year, computed
All 100 years for January 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 | Aquarius 10.91° | 9 | Aquarius | Dhanishta 4 | Mercury |
| 1931 | Aquarius 10.66° | 1 | Cancer | Ardra 2 | Mars Jupiter |
| 1932 | Aquarius 10.41° | 11 | Scorpio | Vishakha 4 | Jupiter |
| 1933 | Aquarius 11.19° | 3 | Aries | Revati 3 | Mars Jupiter |
| 1934 | Aquarius 10.94° | 4 | Leo | Ashlesha 4 | Venus |
| 1935 | Aquarius 10.69° | 5 | Sagittarius | Mula 2 | — |
| 1936 | Aquarius 10.46° | 6 | Taurus | Bharani 4 | Mercury |
| 1937 | Aquarius 11.22° | 7 | Libra | Hasta 2 | — |
| 1938 | Aquarius 10.97° | 8 | Aquarius | Shravana 3 | — |
| 1939 | Aquarius 10.72° | 9 | Gemini | Mrigashira 1 | — |
| 1940 | Aquarius 10.47° | 1 | Scorpio | Swati 3 | — |
| 1941 | Aquarius 11.25° | 11 | Pisces | Uttara Bhadrapada 1 | — |
| 1942 | Aquarius 10.99° | 3 | Leo | Pushya 2 | Venus Jupiter |
| 1943 | Aquarius 10.74° | 4 | Sagittarius | Anuradha 4 | Mercury Jupiter Saturn |
| 1944 | Aquarius 10.5° | 5 | Taurus | Ashwini 3 | Jupiter Saturn |
| 1945 | Aquarius 11.27° | 6 | Virgo | Purva Phalguni 4 | Jupiter Saturn |
| 1946 | Aquarius 11.02° | 7 | Capricorn | Uttara Ashadha 1 | Mars Saturn |
| 1947 | Aquarius 10.78° | 8 | Gemini | Krittika 4 | Saturn |
| 1948 | Aquarius 10.53° | 9 | Libra | Chitra 2 | Mars Saturn |
| 1949 | Aquarius 11.31° | 1 | Pisces | Shatabhisha 3 | Mercury Saturn |
| 1950 | Aquarius 11.06° | 11 | Cancer | Ardra 4 | Venus Saturn |
| 1951 | Aquarius 10.8° | 3 | Scorpio | Vishakha 3 | Saturn |
| 1952 | Aquarius 10.57° | 4 | Aries | Revati 1 | Saturn |
| 1953 | Aquarius 11.33° | 5 | Leo | Magha 2 | — |
| 1954 | Aquarius 11.09° | 6 | Capricorn | Mula 3 | Jupiter |
| 1955 | Aquarius 10.85° | 7 | Taurus | Bharani 3 | Jupiter |
| 1956 | Aquarius 10.6° | 8 | Libra | Uttara Phalguni 4 | Mercury Jupiter |
| 1957 | Aquarius 11.37° | 9 | Aquarius | Dhanishta 1 | Jupiter |
| 1958 | Aquarius 11.12° | 1 | Gemini | Mrigashira 2 | Venus |
| 1959 | Aquarius 10.87° | 11 | Scorpio | Swati 3 | — |
| 1960 | Aquarius 10.63° | 3 | Pisces | Purva Bhadrapada 3 | — |
| 1961 | Aquarius 11.39° | 4 | Leo | Pushya 4 | Mars |
| 1962 | Aquarius 11.14° | 5 | Sagittarius | Jyeshtha 1 | Mercury |
| 1963 | Aquarius 10.89° | 6 | Aries | Ashwini 2 | Mercury Mars |
| 1964 | Aquarius 10.64° | 7 | Virgo | Purva Phalguni 2 | — |
| 1965 | Aquarius 11.42° | 8 | Capricorn | Uttara Ashadha 3 | Mars |
| 1966 | Aquarius 11.17° | 9 | Gemini | Krittika 4 | Venus Jupiter |
| 1967 | Aquarius 10.92° | 1 | Libra | Chitra 2 | Jupiter |
| 1968 | Aquarius 10.68° | 11 | Pisces | Shatabhisha 1 | Jupiter |
| 1969 | Aquarius 11.45° | 3 | Cancer | Punarvasu 2 | Mercury Jupiter |
| 1970 | Aquarius 11.2° | 4 | Scorpio | Vishakha 3 | — |
| 1971 | Aquarius 10.97° | 5 | Aries | Revati 2 | — |
| 1972 | Aquarius 10.72° | 6 | Leo | Ashlesha 4 | — |
| 1973 | Aquarius 11.49° | 7 | Capricorn | Purva Ashadha 1 | Saturn |
| 1974 | Aquarius 11.24° | 8 | Taurus | Bharani 3 | Venus Saturn |
| 1975 | Aquarius 10.98° | 9 | Libra | Hasta 1 | Mercury Saturn |
| 1976 | Aquarius 10.74° | 1 | Aquarius | Shravana 3 | Mercury Saturn |
| 1977 | Aquarius 11.51° | 11 | Gemini | Mrigashira 4 | Saturn |
| 1978 | Aquarius 11.26° | 3 | Scorpio | Swati 2 | Mars Jupiter Saturn |
| 1979 | Aquarius 11.02° | 4 | Pisces | Purva Bhadrapada 4 | Jupiter Saturn |
| 1980 | Aquarius 10.77° | 5 | Leo | Pushya 3 | Mars Jupiter Saturn |
| 1981 | Aquarius 11.54° | 6 | Sagittarius | Jyeshtha 3 | Jupiter Saturn |
| 1982 | Aquarius 11.29° | 7 | Aries | Ashwini 2 | Mercury Venus Saturn |
| 1983 | Aquarius 11.04° | 8 | Virgo | Purva Phalguni 3 | — |
| 1984 | Aquarius 10.8° | 9 | Capricorn | Uttara Ashadha 2 | — |
| 1985 | Aquarius 11.57° | 1 | Gemini | Rohini 2 | — |
| 1986 | Aquarius 11.32° | 11 | Libra | Chitra 1 | — |
| 1987 | Aquarius 11.07° | 3 | Pisces | Shatabhisha 3 | — |
| 1988 | Aquarius 10.83° | 4 | Cancer | Punarvasu 1 | — |
| 1989 | Aquarius 11.6° | 5 | Scorpio | Anuradha 1 | Mercury |
| 1990 | Aquarius 11.35° | 6 | Aries | Revati 1 | Venus Jupiter |
| 1991 | Aquarius 11.11° | 7 | Leo | Magha 2 | Jupiter |
| 1992 | Aquarius 10.86° | 8 | Capricorn | Mula 4 | Jupiter |
| 1993 | Aquarius 11.63° | 9 | Taurus | Bharani 4 | Mars Jupiter |
| 1994 | Aquarius 11.39° | 1 | Libra | Hasta 1 | — |
| 1995 | Aquarius 11.14° | 11 | Aquarius | Dhanishta 1 | Mercury Mars |
| 1996 | Aquarius 10.89° | 3 | Gemini | Mrigashira 3 | — |
| 1997 | Aquarius 11.66° | 4 | Scorpio | Swati 3 | — |
| 1998 | Aquarius 11.41° | 5 | Pisces | Purva Bhadrapada 4 | Venus |
| 1999 | Aquarius 11.16° | 6 | Leo | Pushya 4 | — |
| 2000 | Aquarius 10.91° | 7 | Sagittarius | Jyeshtha 2 | — |
| 2001 | Aquarius 11.68° | 8 | Aries | Ashwini 2 | — |
| 2002 | Aquarius 11.43° | 9 | Virgo | Purva Phalguni 3 | Mercury Jupiter Saturn |
| 2003 | Aquarius 11.19° | 1 | Capricorn | Uttara Ashadha 3 | Jupiter Saturn |
| 2004 | Aquarius 10.94° | 11 | Gemini | Rohini 1 | Jupiter Saturn |
| 2005 | Aquarius 11.71° | 3 | Libra | Chitra 1 | Saturn |
| 2006 | Aquarius 11.47° | 4 | Pisces | Shatabhisha 3 | Venus Saturn |
| 2007 | Aquarius 11.23° | 5 | Cancer | Punarvasu 3 | Saturn |
| 2008 | Aquarius 10.98° | 6 | Scorpio | Vishakha 4 | Mercury Saturn |
| 2009 | Aquarius 11.75° | 7 | Aries | Revati 1 | Mercury Saturn |
| 2010 | Aquarius 11.5° | 8 | Leo | Magha 2 | Mars Saturn |
| 2011 | Aquarius 11.25° | 9 | Capricorn | Purva Ashadha 2 | Saturn |
| 2012 | Aquarius 11.01° | 1 | Taurus | Bharani 3 | Mars |
| 2013 | Aquarius 11.78° | 11 | Libra | Uttara Phalguni 4 | — |
| 2014 | Aquarius 11.53° | 3 | Aquarius | Dhanishta 1 | Venus Jupiter |
| 2015 | Aquarius 11.28° | 4 | Cancer | Ardra 1 | Mercury Jupiter |
| 2016 | Aquarius 11.03° | 5 | Scorpio | Swati 1 | Jupiter |
| 2017 | Aquarius 11.8° | 6 | Pisces | Purva Bhadrapada 4 | — |
| 2018 | Aquarius 11.56° | 7 | Leo | Pushya 4 | — |
| 2019 | Aquarius 11.31° | 8 | Sagittarius | Jyeshtha 4 | — |
| 2020 | Aquarius 11.06° | 9 | Aries | Revati 4 | — |
| 2021 | Aquarius 11.83° | 1 | Virgo | Purva Phalguni 3 | Mercury |
| 2022 | Aquarius 11.58° | 11 | Aquarius | Uttara Ashadha 4 | Mercury |
| 2023 | Aquarius 11.33° | 3 | Gemini | Rohini 3 | — |
| 2024 | Aquarius 11.09° | 4 | Libra | Hasta 3 | — |
| 2025 | Aquarius 11.86° | 5 | Pisces | Shatabhisha 3 | Mars Jupiter |
| 2026 | Aquarius 11.62° | 6 | Cancer | Punarvasu 3 | Jupiter |
| 2027 | Aquarius 11.37° | 7 | Sagittarius | Anuradha 3 | Mars Jupiter |
| 2028 | Aquarius 11.13° | 8 | Aries | Uttara Bhadrapada 2 | Mercury Jupiter |
| 2029 | Aquarius 11.9° | 9 | Leo | Magha 2 | — |
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 January 31
Day of the year
31 of 366
Mercury was retrograde on this date in
20 of 100 years
(20%)
Latest of those, to 2029
2008, 2009, 2015, 2021, 2022, 2028
Full moon fell on this date in
6 years — 1934, 1942, 1961, 1980, 1999, 2018
Most frequent moon phase
Waxing Crescent · 20 years
Counted for January 31 alone, at noon UTC in each year from 1930 to 2029. Why the counts differ from date to date →
Year by year
2006
Aquarius
life path 4
2007
Aquarius
life path 5
2008
Aquarius
life path 6
2009
Aquarius
life path 7
2010
Aquarius
life path 8
2011
Aquarius
life path 9
2012
Aquarius
life path 1
2013
Aquarius
life path 11
2014
Aquarius
life path 3
2015
Aquarius
life path 4
2016
Aquarius
life path 5
2017
Aquarius
life path 6
2018
Aquarius
life path 7
2019
Aquarius
life path 8
2020
Aquarius
life path 9
2021
Aquarius
life path 1
2022
Aquarius
life path 11
2023
Aquarius
life path 3
2024
Aquarius
life path 4
2025
Aquarius
life path 5
2026
Aquarius
life path 6
2027
Aquarius
life path 7
2028
Aquarius
life path 8
2029
Aquarius
life path 9
The sign is the same in every tile; only the life path number moves.
Life path numbers this date produces
9
12 years · 12%
1
11 years · 11%
11
11 years · 11%
3
11 years · 11%
4
11 years · 11%
5
11 years · 11%
6
11 years · 11%
7
11 years · 11%
8
11 years · 11%
The most frequent is 9 with 12 years; every other number, 11 included, turns up in 11 years. And this date can carry a master number: 11 in 11 of those years — kept whole rather than reduced. Why 11, 22 and 33 are treated differently →
Questions about January 31 birthdays
What zodiac sign is January 31?
Aquarius in all 100 years from 1930 to 2029: the Sun stands at 11°37′ Aquarius on January 31, 11 days after the sign begins and 18 before Pisces takes over.
What life path numbers does January 31 produce?
Across 100 birth years the most common is 9 (12 years); every other number appears in 11 years.
Which decan is January 31?
The 2nd decan of Aquarius, 10° to 20°, sub-ruled by Mercury in the Chaldean order.
Can January 31 be a master number birth date?
Yes — 11, in 11 of the 100 years: 1932, 1941, 1950, 1959, 1968, 1977, 1986, 1995, 2004, 2013 and 2022.
Cite this page
AstroHot. “January 31 Zodiac Sign: Aquarius, and Why It Never Changes.” Accessed October 28, 2026. https://astrohot.com/birthday/january-31/
For Wikipedia
{{cite web |title=January 31 Zodiac Sign: Aquarius, and Why It Never Changes |url=https://astrohot.com/birthday/january-31/ |website=AstroHot |access-date=2026-10-28}}