December 18 Zodiac: Sign, Personality Traits, Compatibility and More

While you may be a late-season Sagittarius, a December 18 zodiac sign is still a Sagittarius, through and through! With generosity and excitement, Sagittarians navigate life in their own unique, changeable ways. But how is a December 18th Sagittarius different from all the rest, and what might make this specific Sagittarius birthday special? For that answer, we need to turn to astrology, numerology, and other symbolic studies. 

If you’re brand new to astrology and what it might have to say about your personality, we’ll take some time to address some of the core concepts involved in this ancient practice. Not only will we discuss the strengths and weaknesses of the Sagittarius personality today, but we will also get specific about how a December 18th Sagittarius might be different from all the rest. Let’s begin with the basics behind the great wandering archer of the zodiac now! 

December 18 Zodiac Sign: Sagittarius

Did you know that the placement of the zodiac signs matters? Not only does every zodiac sign have a modality and an element assigned to it, but each one has a number and a corresponding house that it associates with. When we consider Sagittarius, this zodiac sign is a fire sign of a mutable modality and the 9th sign out of a possible 12. Let’s begin with the 9th astrological house and what this means for the Sagittarius personality. 

Representing faith, philosophy, and personal expansion, the 9th house directly motivates the average Sagittarius. As the 9th zodiac sign, Sagittarians are deeply invested in their own personal philosophies, living their lives in constant pursuit of this concept. Intellectual and spiritual stimulation is very important for this zodiac sign, as Sagittarians enjoy challenging what they believe to be true. 

So much intellect may make you think that Sagittarians are air signs, but they are in fact fire signs. All fire signs are straightforward and upfront when it comes to their feelings and how they generally communicate. They are also motivated by action, preferring to take matters into their own hands rather than rationalize or empathize. Sagittarians are energetic and bold people, charismatic and independent as all fire signs are. 

Modalities are slightly more complicated to understand, as they correspond to the seasonal timing of every zodiac birthday. For Sagittarians, this zodiac sign is mutable, representing the shift from one season to another. Since they are born during a changeable time of year, mutable signs are adaptable, collaborative, and occasionally fickle. Sagittarians are well known for their changeability and flexibility, both in their opinions and preferences! 

December 18 Zodiac: Ruling Planets

Astrology wouldn’t be astrology without our planets, which is why every zodiac sign has a planetary ruler. These rulers tie into the core motivations and concepts found in the zodiac signs and their houses. For Sagittarians, they are ruled by Jupiter. Jupiter is also associated with the 9th house, especially when we consider their mutual appreciation of philosophy and expansion.

Do you know where your Jupiter sign is in your birth chart? This sign rules over your future potential, particularly when it comes to what you believe in. Ruling personal expansion, growth, and philosophic ideals, Jupiter is a generally optimistic planet. In fact, luck and generosity are also associated with the gas giant of our solar system, all traits that manifest in the Sagittarius personality.

The average Sagittarius is extremely positive, believing wholeheartedly in their own potential as well as the potential of the universe. Jupiter is optimistic almost to a fault, instilling this same optimism in every Sagittarius. Even if it seems unfair, Sagittarians are generally considered lucky zodiac signs, thanks to their planetary ruler. Fearless in the face of change, Sagittarians often make decisions with little to no contemplation, knowing that Jupiter has their backs!

Jupiter asks Sagittarius to pursue higher truths and knowledge. In fact, higher education and personal endeavors such as long-distance travel also fall under Jupiter’s rule. Sagittarians prefer to slake their endless curiosity on the road, in pursuit of answers to some of life’s most abstract, difficult questions. This pursuit is often a solitary, contemplative journey that every Sagittarius undertakes, thanks to Jupiter. 

December 18 Zodiac: Strengths, Weaknesses, and Personality of  Sagittarius

There is a generosity and an openness in every Sagittarius. Encouraged by Jupiter, Sagittarians are welcoming and warm, charismatic and bold in all social situations. This fire sign knows how to make people feel good about themselves, as Sagittarians are extremely encouraging and supportive of the concept of individuality. While this may sound like Sagittarians make excellent friends, this zodiac sign has one primary weakness. 

Freedom is a core component of the Sagittarius personality, a component that often leaves others feeling neglected. Sagittarians are notorious for their non-committal, breezy way of life, a lifestyle that doesn’t often sit well with others. Maintaining their independence is of utmost importance to Sagittarians, even if this means abandoning places, people, or jobs faster than other signs expect. 

Still, even if a Sagittarius changes their mind about something or someone, they always mean everything they say in the moment. Passionate and full of life, Sagittarians readily inspire others to become their best selves. With a philosophical, generous way of communicating, Sagittarians ensure that everyone they meet believes in something bigger and better than what they have previously believed in! 

However, with so much passion and changeability, Sagittarians often come across as egotistical or full of themselves. This fire sign also has an honest, blunt way of speaking. The inner contrarian in every Sagittarius can be difficult to handle from time to time, especially when this zodiac sign disagrees just for the sake of disagreeing! Rebellious to the end, Sagittarians easily rub people the wrong way, despite their desire to simply be themselves! 

What Makes a December 18 Zodiac Sign Special?

In many ways, a December 18th Sagittarius is the most Sagittarius birthday of them all! This is because someone born on this day has an additional connection to the number nine, a number that manifests when we add the digits in the number 18. We already know that the number nine is connected to the sign of Sagittarius and the 9th house of philosophy. Numerologically speaking, the number nine represents endings, cycles, and deep wisdom. 

When we consider a Sagittarius born on December 18th, this person is likely extremely wise and mature. There is a sense of time management and structure to the number nine, as it completes our numerological alphabet. Cycles are an extremely important theme to this number, as the number nine represents logical endings. A Sagittarius so connected to this number may have a better sense of timing compared to other Sagittarius birthdays. 

This changeable zodiac sign is well aware of how important it is to end something so that something even better may begin. However, Sagittarians often abandon things before they truly get started, prone to boredom and wandering for the sake of wandering. A Sagittarius born on December 18th may have a more pragmatic, wise point of view when it comes to the natural timing of their lives. 

No matter what, this Sagittarius birthday will be even more intellectual than others. The number nine is extremely wise and knowledgeable, philosophical and focused on the betterment of everyone. A Sagittarius so connected to the number nine may make philosophical endeavors their life’s mission, no matter what those beliefs may be! 

Career Paths for December 18 Zodiac Signs

While the rest of your birth chart may give you some additional insight into your career potential, most mutable signs prefer to have multiple careers over the course of their lifetime. Sagittarians are no exception to this, as they enjoy adopting multiple career paths to see what best aligns with their philosophical leanings. No matter what, Sagittarians dislike being told what to do, an important balance to strike when seeking any job! 

A December 18th Sagittarius may pursue higher education so that they can broaden their minds. Remember that Jupiter rules college-level education, something that Sagittarians typically pursue in their lifetime. Teaching at a college level may also be a potential career path for this scholarly, inspiring zodiac sign. Shaping young minds may be of particular importance to someone born on December 18th. 

With honesty and wit, Sagittarians make excellent artists in a variety of fields. Fire signs tend to excel in performance, such as acting, comedy, and music careers. Similarly, Sagittarians are endlessly energetic, which may be promising for athletic or physical careers such as bodybuilding, team sports, and more. Finally, philosophical and fiery Sagittarians may enjoy a career in politics or advocacy, as being a rebel is at their cores! 

Love and Relationships for December 18 Zodiac Signs

Sagittarians aren’t interested in traditional methods of doing things. They are only interested in how they want to do things, which is why conventional, long-term relationships don’t always work for this fire sign. The changeable, adaptable nature of Sagittarius makes them attracted to a variety of people. However, it also makes them prone to boredom and quick to change relationships, especially given the fact that Sagittarians are always on the move. 

A December 18th Sagittarius keeps cycles and endings in mind better than other Sagittarius birthdays. This particular Sagittarius may have a better understanding of when a relationship should continue, which may lead to longer-term matches for this birthday. No matter what, a December 18th Sagittarius will long to match with someone of equal intelligence and philosophic ideation. 

Loving a Sagittarius means new experiences and enthusiastic dates. Sagittarians are energetic and physical people, the type of person who will take you skydiving or whisk you away on a surprise, overnight flight. They are honest and blunt when communicating, something that most people either love or hate. 

Straightforward and passionate, Sagittarians never hold back when in love. They tend to be attracted to equally independent and confident people, enjoying someone who understands their cerebral, clever banter. While this may sound harsh, Sagittarians are prone to boredom and wandering, which is why it’s important to keep their attention for as long as you can! However, know that, even in the most ideal match, Sagittarians may still pursue something different. 

Matches and Compatibility for December 18 Zodiac Signs

Given that astrology has long been used to determine romantic compatibility, you may be wondering what zodiac signs match best with Sagittarius. Astrology uses the elements as the primary indicator for romantic compatibility, though your Venus and Mars signs will also give you a good reference to go off of. For fire signs, air signs are naturally compatible, and other fire signs have a foundational connection to Sagittarius. 

But what about a Sagittarius born on December 18th? When we consider all of the aspects of this Sagittarius personality, here are some promising matches: 

• Sagittarius. While you may not expect it, same-sign matches are often extremely strong and promising. A December 18th Sagittarius may be drawn to other Sagittarians, as these confident, philosophical fire signs will always be on the same page as a December 18th zodiac sign. While this match may need to make an effort to stay together rather than explore their own independence, Sagittarians enjoy just how free other Sagittarians make them feel.
• Aquarius. Likely the most philosophical air sign out there, Aquarians naturally inspire Sagittarians. A Sagittarius born on December 18th will appreciate the stoic intelligence of the average Aquarius. Similarly, Aquarians love just how unique and interesting Sagittarians are, willing to explore each and every one of their curiosities. While fixed, Aquarians appreciate how independent Sagittarians are, lending more flexibility to a typically rigid match. 

Historical Figures and Celebrities Born on December 18th

• Joseph Grimaldi (performer)
• Lyman Abbott (theologian)
• J.J. Thomson (physicist)
• Franz Ferdinand (Archduke)
• Antoon van Welie (artist)
• Joseph Stalin (dictator)
• Paul Klee (artist)
• Fletcher Henderson (musician)
• Abe Burrows (composer)
• Alfred Bester (author)
• Willy Brandt (politician)
• Ossie Davis (actor)
• Ramsey Clark (lawyer)
• Harold E. Varmus (scientist)
• Keith Richards (guitarist)
• Bantu Stephen Biko (activist)
• Steven Spielberg (director)
• Judy Heumann (activist)
• Ray Liotta (actor)
• Julia Wolfe (composer)
• Brad Pitt (actor)
• Karl Dorrell (coach)
• Steve Austin (athlete)
• Casper Van Dien (actor)
• DMX (rapper)
• Jonathan Yeo (artist)
• Kari Byron (host)
• Katie Holmes (actor)
• Christina Aguilera (singer)
• Ady Barkan (activist)
• Billie Eilish (singer)

Important Events That Occurred on December 18th

• In 1787, the US Constitution was ratified by New Jersey
• In 1916, the Battle of Verdun officially ended
• In 1958, Niger officially became a Republic
• In 1972, Operation Linebacker II began as part of the Vietnam War
• In 1993, The MGM Grand in Las Vegas, Nevada officially opened
• In 2009, the extremely popular film, “Avatar”, was released
• In 2019, the first impeachment of US President Donald Trump occurred

The photo featured at the top of this post is © iStock.com/Allexxandar

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