How is a natal chart created, and what information does it provide?

August 22, 2024

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How is a natal chart created, and what information does it provide?

A natal chart, also known as a birth chart, is a detailed map of the sky at the exact moment and location of a person’s birth. It provides a snapshot of the positions of the Sun, Moon, planets, and other celestial points in relation to the 12 zodiac signs and the 12 houses of the astrological chart. Astrologers use this chart to gain insights into an individual’s personality, life path, relationships, strengths, challenges, and potential future events. Here’s how a natal chart is created and what information it provides:

Creating a Natal Chart

  1. Gathering Birth Data:
    • Date of Birth: The day, month, and year of birth are crucial for determining the positions of the Sun, Moon, and planets.
    • Time of Birth: The exact time of birth is essential to determine the Ascendant (Rising Sign) and the positions of the houses. Even a few minutes can change the Ascendant and house cusps.
    • Place of Birth: The location (city or coordinates) affects the calculation of the Ascendant and the house positions. The geographic location determines the specific view of the sky at the time of birth.
  2. Astrological Software or Ephemeris:
    • Most modern astrologers use specialized astrological software to calculate a natal chart. The software inputs the birth data and accurately calculates the positions of the celestial bodies relative to the Earth.
    • Historically, astrologers used an ephemeris, which is a table listing the positions of celestial bodies at regular intervals, to manually calculate the chart.
  3. Mapping the Sky:
    • Zodiac Wheel: The natal chart is depicted as a 360-degree wheel divided into 12 sections, each corresponding to one of the zodiac signs. The placement of celestial bodies within this wheel corresponds to their positions in the sky at the time of birth.
    • Planetary Positions: The Sun, Moon, and planets are plotted on the chart according to their zodiac sign positions. For example, if the Sun was in Leo at the time of birth, it is marked in the section of the chart corresponding to Leo.
  4. Dividing the Chart into Houses:
    • The chart is further divided into 12 houses, each representing different areas of life (e.g., self, wealth, communication, family). The houses are determined by the Ascendant, which is the sign that was rising on the eastern horizon at the time of birth.
    • The house system used can vary (e.g., Placidus, Equal House, Whole Sign), but the most common is the Placidus system.

Information Provided by a Natal Chart

  1. Sun Sign:
    • Represents the core of an individual’s personality, ego, and identity. It reflects one’s basic character, life force, and the primary motivations in life.
  2. Moon Sign:
    • Governs emotions, instincts, and subconscious patterns. It reveals how a person experiences and expresses their feelings, as well as their emotional needs and inner life.
  3. Ascendant (Rising Sign):
    • The Ascendant represents the outward personality, how one presents themselves to the world, and first impressions. It also sets the stage for the house system in the chart, influencing how the various areas of life (houses) are experienced.
  4. Planetary Positions:
    • Mercury: Communication style, thinking process, and how one learns and processes information.
    • Venus: Approach to love, relationships, beauty, and values.
    • Mars: Drive, ambition, sexual energy, and how one takes action.
    • Jupiter: Growth, expansion, optimism, and areas where one might experience luck or abundance.
    • Saturn: Discipline, responsibility, challenges, and areas where one might face restrictions or lessons.
    • Uranus: Innovation, rebellion, and sudden changes.
    • Neptune: Dreams, spirituality, creativity, and potential areas of illusion or confusion.
    • Pluto: Transformation, power, and deep psychological processes.
  5. Houses:
    • Each of the 12 houses represents a different area of life:
      • 1st House: Self, identity, and appearance.
      • 2nd House: Finances, possessions, and self-worth.
      • 3rd House: Communication, learning, and siblings.
      • 4th House: Home, family, and roots.
      • 5th House: Creativity, romance, and children.
      • 6th House: Work, health, and daily routines.
      • 7th House: Partnerships, marriage, and relationships.
      • 8th House: Transformation, shared resources, and intimacy.
      • 9th House: Philosophy, higher education, travel, and spirituality.
      • 10th House: Career, public life, and reputation.
      • 11th House: Friendships, social networks, and aspirations.
      • 12th House: Subconscious, spirituality, and hidden matters.
  6. Aspects:
    • Aspects are the angles formed between planets on the chart. They indicate how different parts of the personality or life areas interact with each other:
      • Conjunction (0°): When two planets are close together, their energies combine and intensify.
      • Sextile (60°): A harmonious aspect that facilitates cooperation between planets.
      • Square (90°): A challenging aspect that indicates tension or conflict.
      • Trine (120°): A smooth, flowing aspect that represents natural talent or ease in certain areas.
      • Opposition (180°): A polarizing aspect that requires balance between opposing forces.
  7. Nodes of the Moon:
    • North Node: Represents the life lessons and growth areas the individual is meant to pursue in this lifetime.
    • South Node: Represents past life experiences or innate talents, but also habits that need to be overcome or balanced.
  8. Midheaven (MC):
    • The Midheaven, or MC, is the point at the top of the chart, representing career, public life, and aspirations. It shows how a person might be perceived in their professional life and what they strive for in terms of achievement.
  9. Chiron:
    • Known as the “wounded healer,” Chiron represents areas of deep-seated wounds and healing potential. Its position in the chart highlights where an individual might experience pain but also where they can develop wisdom and healing abilities.

Using a Natal Chart

Astrologers use the natal chart to provide a comprehensive view of an individual’s potential, challenges, and life direction. The chart can be used to:

  • Understand Personality: By analyzing the Sun, Moon, Ascendant, and planetary positions, astrologers can offer insights into a person’s core traits, emotional nature, and outward demeanor.
  • Explore Life Path: The chart’s configuration, including the North Node, can suggest a person’s life purpose and the lessons they are here to learn.
  • Assess Relationships: Comparing charts (synastry) can reveal compatibility and areas of potential growth or conflict in relationships.
  • Forecast Future Trends: By examining transits (the current positions of planets relative to the natal chart), astrologers can provide guidance on upcoming opportunities, challenges, and periods of change.

In conclusion, a natal chart is a powerful tool in astrology that offers a detailed blueprint of an individual’s life, personality, and potential. It is created using precise birth data and is interpreted by analyzing the positions of celestial bodies within the zodiac and houses, as well as the aspects between them. The insights gained from a natal chart can help individuals understand themselves better, navigate life’s challenges, and make more informed decisions about their future.


93% of people don’t know this truth about their zodiac sign. Do you?

Click your sign below to find out now: