December 18 Birthday
Zodiac sign, birthstone, birth flower and more for everyone born on December 18.
The zodiac sign for December 18 is
Sagittarius
Sagittarius runs November 22 – December 21. December 18 is day 27 of 30 in Sagittarius season, in the 3rd decan.
Birthstone
Turquoise
Also Tanzanite, Zircon
Birth flower
Narcissus (paperwhite)
Also holly
Ruling planet
Jupiter
Decan ruler: Sun
How common
#52 of 366
11,736 US births a year
Day of the year
Day 352
Day 353 in a leap year
December 18 zodiac sign: Sagittarius
Sagittarius is ruled by Jupiter, the planet of growth and luck. The Archer is linked with travel, big ideas, freedom and a cheerful, blunt honesty.
| Symbol | ♐ Archer |
|---|---|
| Dates | November 22 – December 21 |
| Element | Fire |
| Modality | Mutable |
| Ruling planet | Jupiter |
| Traits | adventurous, optimistic, honest, independent |
| Strengths | Generous, funny, open-minded and curious about the world. |
| Weaknesses | Tactless, restless and impatient with routine. |
| Opposite sign | Gemini |
| Most compatible with | Aries, Gemini, Leo, Libra, Aquarius |
The 3rd decan of Sagittarius
Each sign is split into three decans of about ten days. December 18 falls in the 3rd decan, which is co-ruled by Sun, the planet of Leo. Astrologers say this adds a touch of Leo (confident, generous) to the Sagittarius personality.
December 18 birthstone: Turquoise, Tanzanite and Zircon
Everyone born in December shares the same birthstones, and you can pick whichever you like.
| Stone | Color | Hardness (Mohs) | Said to symbolize |
|---|---|---|---|
| Turquoise | Sky blue to green | 5–6 | Good fortune and protection |
| Tanzanite | Violet-blue | 6–7 | Transformation and calm |
| Zircon | Blue (most popular), clear or brown | 6–7.5 | Wisdom, honor and prosperity |
December 18 birth flower: Narcissus (paperwhite) and Holly
- Narcissus (paperwhite): good wishes and hope
- Holly: protection and domestic happiness
How common is a December 18 birthday?
December 18 is the 52nd most common birthday in the US out of 366. An average of 11,736 babies were born on it each year from 1994 to 2014, 5% more than on an average day.
Based on US birth records, 1994–2014. See every date ranked.
What day of the week was December 18?
Here’s the day of the week December 18 fell on each year, and the Chinese zodiac animal for someone born that day.
| Birth date | Day of the week | Chinese zodiac |
|---|---|---|
| December 18, 2030 | Wednesday | Metal Dog |
| December 18, 2029 | Tuesday | Earth Rooster |
| December 18, 2028 | Monday | Earth Monkey |
| December 18, 2027 | Saturday | Fire Goat |
| December 18, 2026 | Friday | Fire Horse |
| December 18, 2025 | Thursday | Wood Snake |
| December 18, 2024 | Wednesday | Wood Dragon |
| December 18, 2023 | Monday | Water Rabbit |
| December 18, 2022 | Sunday | Water Tiger |
| December 18, 2021 | Saturday | Metal Ox |
| December 18, 2020 | Friday | Metal Rat |
| December 18, 2019 | Wednesday | Earth Pig |
| December 18, 2018 | Tuesday | Earth Dog |
| December 18, 2017 | Monday | Fire Rooster |
| December 18, 2016 | Sunday | Fire Monkey |
| December 18, 2015 | Friday | Wood Goat |
| December 18, 2014 | Thursday | Wood Horse |
| December 18, 2013 | Wednesday | Water Snake |
| December 18, 2012 | Tuesday | Water Dragon |
| December 18, 2011 | Sunday | Metal Rabbit |
| December 18, 2010 | Saturday | Metal Tiger |
| December 18, 2009 | Friday | Earth Ox |
| December 18, 2008 | Thursday | Earth Rat |
| December 18, 2007 | Tuesday | Fire Pig |
| December 18, 2006 | Monday | Fire Dog |
| December 18, 2005 | Sunday | Wood Rooster |
| December 18, 2004 | Saturday | Wood Monkey |
| December 18, 2003 | Thursday | Water Goat |
| December 18, 2002 | Wednesday | Water Horse |
| December 18, 2001 | Tuesday | Metal Snake |
| December 18, 2000 | Monday | Metal Dragon |
| December 18, 1999 | Saturday | Earth Rabbit |
| December 18, 1998 | Friday | Earth Tiger |
| December 18, 1997 | Thursday | Fire Ox |
| December 18, 1996 | Wednesday | Fire Rat |
| December 18, 1995 | Monday | Wood Pig |
| December 18, 1994 | Sunday | Wood Dog |
| December 18, 1993 | Saturday | Water Rooster |
| December 18, 1992 | Friday | Water Monkey |
| December 18, 1991 | Wednesday | Metal Goat |
| December 18, 1990 | Tuesday | Metal Horse |
| December 18, 1989 | Monday | Earth Snake |
| December 18, 1988 | Sunday | Earth Dragon |
| December 18, 1987 | Friday | Fire Rabbit |
| December 18, 1986 | Thursday | Fire Tiger |
| December 18, 1985 | Wednesday | Wood Ox |
| December 18, 1984 | Tuesday | Wood Rat |
| December 18, 1983 | Sunday | Water Pig |
| December 18, 1982 | Saturday | Water Dog |
| December 18, 1981 | Friday | Metal Rooster |
| December 18, 1980 | Thursday | Metal Monkey |
| December 18, 1979 | Tuesday | Earth Goat |
| December 18, 1978 | Monday | Earth Horse |
| December 18, 1977 | Sunday | Fire Snake |
| December 18, 1976 | Saturday | Fire Dragon |
| December 18, 1975 | Thursday | Wood Rabbit |
| December 18, 1974 | Wednesday | Wood Tiger |
| December 18, 1973 | Tuesday | Water Ox |
| December 18, 1972 | Monday | Water Rat |
| December 18, 1971 | Saturday | Metal Pig |
| December 18, 1970 | Friday | Metal Dog |
| December 18, 1969 | Thursday | Earth Rooster |
| December 18, 1968 | Wednesday | Earth Monkey |
| December 18, 1967 | Monday | Fire Goat |
| December 18, 1966 | Sunday | Fire Horse |
| December 18, 1965 | Saturday | Wood Snake |
| December 18, 1964 | Friday | Wood Dragon |
| December 18, 1963 | Wednesday | Water Rabbit |
| December 18, 1962 | Tuesday | Water Tiger |
| December 18, 1961 | Monday | Metal Ox |
| December 18, 1960 | Sunday | Metal Rat |
| December 18, 1959 | Friday | Earth Pig |
| December 18, 1958 | Thursday | Earth Dog |
| December 18, 1957 | Wednesday | Fire Rooster |
| December 18, 1956 | Tuesday | Fire Monkey |
| December 18, 1955 | Sunday | Wood Goat |
| December 18, 1954 | Saturday | Wood Horse |
| December 18, 1953 | Friday | Water Snake |
| December 18, 1952 | Thursday | Water Dragon |
| December 18, 1951 | Tuesday | Metal Rabbit |
| December 18, 1950 | Monday | Metal Tiger |
| December 18, 1949 | Sunday | Earth Ox |
| December 18, 1948 | Saturday | Earth Rat |
| December 18, 1947 | Thursday | Fire Pig |
| December 18, 1946 | Wednesday | Fire Dog |
| December 18, 1945 | Tuesday | Wood Rooster |
| December 18, 1944 | Monday | Wood Monkey |
| December 18, 1943 | Saturday | Water Goat |
| December 18, 1942 | Friday | Water Horse |
| December 18, 1941 | Thursday | Metal Snake |
| December 18, 1940 | Wednesday | Metal Dragon |
More about December 18
| Season (Northern Hemisphere) | Autumn |
|---|---|
| Day of the year | 352 (353 in a leap year) |
| Days left in the year | 13 (13 in a leap year) |
Want your exact age or a countdown? Try the age calculator on our sister site Day Count Box.
December 18 birthday questions
- What zodiac sign is December 18?
- People born on December 18 are Sagittarius (♐), the Archer. Sagittarius season runs from November 22 – December 21.
- What is the birthstone for December 18?
- The birthstone for December 18 is the December birthstone: turquoise, tanzanite and zircon.
- What is the birth flower for December 18?
- December’s birth flowers are the narcissus (paperwhite) and holly.
- Is December 18 on a cusp?
- No. December 18 is well inside Sagittarius season, so the sign is the same whatever the year.
- How rare is a December 18 birthday?
- December 18 is the 52nd most common birthday in the US out of 366. An average of 11,736 babies were born on it each year from 1994 to 2014, 5% more than on an average day.
- What day of the year is December 18?
- December 18 is day 352 of the year, or day 353 in a leap year.