August 18 Birthday
Zodiac sign, birthstone, birth flower and more for everyone born on August 18.
The zodiac sign for August 18 is
Leo
Leo runs July 23 – August 22. August 18 is day 27 of 31 in Leo season, in the 3rd decan.
Birthstone
Peridot
Also Spinel, Sardonyx
Birth flower
Gladiolus
Also poppy
Ruling planet
Sun
Decan ruler: Mars
How common
#57 of 366
11,719 US births a year
Day of the year
Day 230
Day 231 in a leap year
August 18 zodiac sign: Leo
Leo is the only sign ruled by the Sun, and Leos are said to shine like it. The Lion is linked with confidence, creativity, loyalty and a big, warm presence.
| Symbol | ♌ Lion |
|---|---|
| Dates | July 23 – August 22 |
| Element | Fire |
| Modality | Fixed |
| Ruling planet | Sun |
| Traits | confident, generous, dramatic, warm |
| Strengths | Creative, generous, warm-hearted and a natural leader. |
| Weaknesses | Proud, stubborn and fond of attention. |
| Opposite sign | Aquarius |
| Most compatible with | Aries, Gemini, Libra, Sagittarius, Aquarius |
The 3rd decan of Leo
Each sign is split into three decans of about ten days. August 18 falls in the 3rd decan, which is co-ruled by Mars, the planet of Aries. Astrologers say this adds a touch of Aries (bold, competitive) to the Leo personality.
August 18 birthstone: Peridot, Spinel and Sardonyx
Everyone born in August shares the same birthstones, and you can pick whichever you like.
| Stone | Color | Hardness (Mohs) | Said to symbolize |
|---|---|---|---|
| Peridot | Olive to lime green | 6.5–7 | Strength, and protection from bad dreams |
| Spinel | Red, pink, blue or black | 8 | Renewal and hope |
| Sardonyx | Bands of red and white | 6.5–7 | Courage, happiness and clear communication |
August 18 birth flower: Gladiolus and Poppy
- Gladiolus: strength of character and integrity
- Poppy: remembrance, imagination and peace
How common is an August 18 birthday?
August 18 is the 57th most common birthday in the US out of 366. An average of 11,719 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 August 18?
Here’s the day of the week August 18 fell on each year, and the Chinese zodiac animal for someone born that day.
| Birth date | Day of the week | Chinese zodiac |
|---|---|---|
| August 18, 2030 | Sunday | Metal Dog |
| August 18, 2029 | Saturday | Earth Rooster |
| August 18, 2028 | Friday | Earth Monkey |
| August 18, 2027 | Wednesday | Fire Goat |
| August 18, 2026 | Tuesday | Fire Horse |
| August 18, 2025 | Monday | Wood Snake |
| August 18, 2024 | Sunday | Wood Dragon |
| August 18, 2023 | Friday | Water Rabbit |
| August 18, 2022 | Thursday | Water Tiger |
| August 18, 2021 | Wednesday | Metal Ox |
| August 18, 2020 | Tuesday | Metal Rat |
| August 18, 2019 | Sunday | Earth Pig |
| August 18, 2018 | Saturday | Earth Dog |
| August 18, 2017 | Friday | Fire Rooster |
| August 18, 2016 | Thursday | Fire Monkey |
| August 18, 2015 | Tuesday | Wood Goat |
| August 18, 2014 | Monday | Wood Horse |
| August 18, 2013 | Sunday | Water Snake |
| August 18, 2012 | Saturday | Water Dragon |
| August 18, 2011 | Thursday | Metal Rabbit |
| August 18, 2010 | Wednesday | Metal Tiger |
| August 18, 2009 | Tuesday | Earth Ox |
| August 18, 2008 | Monday | Earth Rat |
| August 18, 2007 | Saturday | Fire Pig |
| August 18, 2006 | Friday | Fire Dog |
| August 18, 2005 | Thursday | Wood Rooster |
| August 18, 2004 | Wednesday | Wood Monkey |
| August 18, 2003 | Monday | Water Goat |
| August 18, 2002 | Sunday | Water Horse |
| August 18, 2001 | Saturday | Metal Snake |
| August 18, 2000 | Friday | Metal Dragon |
| August 18, 1999 | Wednesday | Earth Rabbit |
| August 18, 1998 | Tuesday | Earth Tiger |
| August 18, 1997 | Monday | Fire Ox |
| August 18, 1996 | Sunday | Fire Rat |
| August 18, 1995 | Friday | Wood Pig |
| August 18, 1994 | Thursday | Wood Dog |
| August 18, 1993 | Wednesday | Water Rooster |
| August 18, 1992 | Tuesday | Water Monkey |
| August 18, 1991 | Sunday | Metal Goat |
| August 18, 1990 | Saturday | Metal Horse |
| August 18, 1989 | Friday | Earth Snake |
| August 18, 1988 | Thursday | Earth Dragon |
| August 18, 1987 | Tuesday | Fire Rabbit |
| August 18, 1986 | Monday | Fire Tiger |
| August 18, 1985 | Sunday | Wood Ox |
| August 18, 1984 | Saturday | Wood Rat |
| August 18, 1983 | Thursday | Water Pig |
| August 18, 1982 | Wednesday | Water Dog |
| August 18, 1981 | Tuesday | Metal Rooster |
| August 18, 1980 | Monday | Metal Monkey |
| August 18, 1979 | Saturday | Earth Goat |
| August 18, 1978 | Friday | Earth Horse |
| August 18, 1977 | Thursday | Fire Snake |
| August 18, 1976 | Wednesday | Fire Dragon |
| August 18, 1975 | Monday | Wood Rabbit |
| August 18, 1974 | Sunday | Wood Tiger |
| August 18, 1973 | Saturday | Water Ox |
| August 18, 1972 | Friday | Water Rat |
| August 18, 1971 | Wednesday | Metal Pig |
| August 18, 1970 | Tuesday | Metal Dog |
| August 18, 1969 | Monday | Earth Rooster |
| August 18, 1968 | Sunday | Earth Monkey |
| August 18, 1967 | Friday | Fire Goat |
| August 18, 1966 | Thursday | Fire Horse |
| August 18, 1965 | Wednesday | Wood Snake |
| August 18, 1964 | Tuesday | Wood Dragon |
| August 18, 1963 | Sunday | Water Rabbit |
| August 18, 1962 | Saturday | Water Tiger |
| August 18, 1961 | Friday | Metal Ox |
| August 18, 1960 | Thursday | Metal Rat |
| August 18, 1959 | Tuesday | Earth Pig |
| August 18, 1958 | Monday | Earth Dog |
| August 18, 1957 | Sunday | Fire Rooster |
| August 18, 1956 | Saturday | Fire Monkey |
| August 18, 1955 | Thursday | Wood Goat |
| August 18, 1954 | Wednesday | Wood Horse |
| August 18, 1953 | Tuesday | Water Snake |
| August 18, 1952 | Monday | Water Dragon |
| August 18, 1951 | Saturday | Metal Rabbit |
| August 18, 1950 | Friday | Metal Tiger |
| August 18, 1949 | Thursday | Earth Ox |
| August 18, 1948 | Wednesday | Earth Rat |
| August 18, 1947 | Monday | Fire Pig |
| August 18, 1946 | Sunday | Fire Dog |
| August 18, 1945 | Saturday | Wood Rooster |
| August 18, 1944 | Friday | Wood Monkey |
| August 18, 1943 | Wednesday | Water Goat |
| August 18, 1942 | Tuesday | Water Horse |
| August 18, 1941 | Monday | Metal Snake |
| August 18, 1940 | Sunday | Metal Dragon |
More about August 18
| Season (Northern Hemisphere) | Summer |
|---|---|
| Day of the year | 230 (231 in a leap year) |
| Days left in the year | 135 (135 in a leap year) |
Want your exact age or a countdown? Try the age calculator on our sister site Day Count Box.
August 18 birthday questions
- What zodiac sign is August 18?
- People born on August 18 are Leo (♌), the Lion. Leo season runs from July 23 – August 22.
- What is the birthstone for August 18?
- The birthstone for August 18 is the August birthstone: peridot, spinel and sardonyx.
- What is the birth flower for August 18?
- August’s birth flowers are the gladiolus and poppy.
- Is August 18 on a cusp?
- No. August 18 is well inside Leo season, so the sign is the same whatever the year.
- How rare is an August 18 birthday?
- August 18 is the 57th most common birthday in the US out of 366. An average of 11,719 babies were born on it each year from 1994 to 2014, 5% more than on an average day.
- What day of the year is August 18?
- August 18 is day 230 of the year, or day 231 in a leap year.