Understanding Trishamsha (D-30) in Vedic Astrology: Logic, Calculation, and Correct Usage

Introduction to Trishamsha (D-30 Chart)

Trishamsha, also known as D-30, is one of the divisional charts (Vargas) used in Vedic astrology to analyze a person’s strengths and weaknesses in terms of suffering, misfortunes, hidden strengths, and resilience. It is specifically used to judge the impact of karmic afflictions, miseries, diseases, and negative experiences in a person’s life.

Classical References:

• Brihat Parashara Hora Shastra (BPHS): Mentions Trishamsha as a tool to judge malefic influences and suffering.
• Jataka Parijata: Indicates that D-30 should be used to analyze physical afflictions and hidden strengths.
• Phaladeepika: Suggests that Trishamsha determines the ability to endure hardships and highlights areas of potential weakness.

Logic Behind Trishamsha (D-30)

1. Micro-Level Karma Analysis: The D-1 (Rashi chart) gives a broad overview, but D-30 refines it to see how a person handles challenges and obstacles.
2. Planetary Strength & Afflictions: It shows how well planets function when a person faces crises—whether they help in overcoming them or create further difficulties.
3. Hidden Strengths & Weaknesses: Some people rise through adversity, while others break under pressure. D-30 provides clues about this tendency.

How Trishamsha (D-30) is Calculated

Trishamsha divides each Rashi (sign) into 5 unequal parts. These parts are distributed differently for odd and even signs.

Step-by-Step Calculation:

1. Each sign (30°) is divided into 5 unequal parts with the following degrees:
   • 1st division = 5°
   • 2nd division = 5°
   • 3rd division = 8°
   • 4th division = 7°
   • 5th division = 5°
2. Ownership of Trishamsha segments differs for odd and even signs.

Trishamsha Lords:

• For odd signs (Aries, Gemini, Leo, etc.): The order of rulers is Mars, Saturn, Jupiter, Mercury, Venus.
• For even signs (Taurus, Cancer, Virgo, etc.): The order of rulers is Venus, Mercury, Jupiter, Saturn, Mars.

Example Calculation:

• If Mars is at 7° Aries → Falls in Saturn’s Trishamsha → Saturnian influence on Mars.
• If Moon is at 22° Virgo → Falls in Saturn’s Trishamsha → Saturn influences the Moon’s expression in adversity.

Correct Interpretation & Use of Trishamsha

1. Analyzing Mental & Physical Suffering

• Afflicted planets in D-30 indicate problems related to that planet’s significations.
• Strong benefics in D-30 show resilience and the ability to overcome difficulties.
• If malefics like Saturn, Mars, Rahu, or Ketu dominate D-30, the person may suffer more from illnesses, accidents, or karmic debts.

Example:

• If Moon is debilitated in Scorpio in D-30, the person may suffer from emotional instability, depression, or mental health issues.

2. Judgment of Health & Diseases

• The 6th house in D-30 shows diseases a person is prone to.
• The 8th house in D-30 shows sudden suffering, accidents, and obstacles.
• The 12th house in D-30 indicates hospitalization, imprisonment, or losses.

Treating divisional charts as tabular data focuses on planetary placement and their dispositors, rather than independent house structures. This method ensures that D-30 (or any divisional chart) refines the significations of the main D-1 chart, rather than creating a separate house framework.

Applying This Perspective in Analysis:

1. Planet’s Position in D-30 → Judge Its Dispositor in D-1
   • Instead of analyzing house-based results in D-30, check where the D-30 planet’s dispositor is in D-1.
   • This connects afflictions or strengths in D-30 back to the core blueprint of the birth chart (D-1).
2. Dispositor’s Role in D-1 Defines the Nature of Suffering or Strength
   • If a malefic planet in D-30 is ruled by a strong and well-placed dispositor in D-1, adversities are handled well.
   • If the dispositor in D-1 is weak, then karmic suffering manifests intensely.

Example:

• Saturn is in Aries in D-30 (debilitated) → Aries is ruled by Mars.
• Check Mars in D-1:
  • If Mars is exalted in Capricorn in D-1, challenges are overcome with resilience.
  • If Mars is in Cancer (debilitated) in D-1, struggles become overwhelming.

This approach keeps divisional analysis grounded in the D-1 chart, ensuring logical and structured interpretation.

Example:

• If Saturn is in the 6th house in Aries (debilitated) in D-30, it indicates chronic illnesses related to bones, joints, or nervous system.

3. Analyzing Past-Life Karma & Spiritual Suffering

• D-30 reflects suffering due to past-life karma and how one’s attitude impacts their suffering.
• If Jupiter or Venus are strong in D-30, the person faces difficulties with grace and finds solutions.
• If Saturn or Rahu dominate, suffering is prolonged and difficult to overcome.

Example:

• If Rahu is in the 8th house in D-30, the person may experience mysterious health issues, betrayals, or hidden karmic debts.

4. Relationship with External Enemies & Conflicts

• The D-30 chart also reflects how a person deals with enemies, opposition, and conflicts.
• A strong Mars in D-30 shows a warrior spirit who fights back.
• A weak or afflicted Mars shows the person gives up easily in conflicts.

Example:

• If Mars is exalted in Capricorn in D-30, the person will overcome enemies and emerge stronger.

Practical Case Study of Trishamsha Usage

Example Chart Analysis:

• Birth Chart (D-1): Saturn in the 10th house → suggests strong discipline but delays in career.
• D-30 Analysis: Saturn is debilitated in Aries in 6th house → career struggles due to health issues.
• This confirms that career delays are linked to poor health and physical suffering.

Remedy: Strengthening Mars and Saturn can help overcome struggles.

Trishamsha (D-30) is crucial for understanding adversities, health issues, karmic sufferings, and hidden strengths.

Key Takeaways:

D-30 refines predictions by showing hidden challenges that are not visible in the main chart.
Planets in D-30 reflect how a person responds to misfortunes—whether they break down or rise stronger.
Houses in D-30 indicate specific sources of suffering (6th = diseases, 8th = sudden losses, 12th = isolation).
A strong Jupiter or Venus in D-30 grants resilience and grace in dealing with difficulties.

About Post Author

Anupam Shukla

anupam@astrosutras.in

https://astrosutras.in