Drekkana Chart Calculator

The Drekkana Chart Calculator estimates Drekkana (D3) Chart Planetary Positions. Simply enter your planetary longitudes in degrees to calculate your Drekkana sign placements and house positions. This tool helps Vedic astrology students better understand divisional chart analysis by mapping planetary positions into the third harmonic chart.

Enter the Sun's position (e.g., 15.5)
Enter the Moon's position (e.g., 28.2)
Enter the Mars position (e.g., 120.45)
Enter the Mercury position (e.g., 45.1)
Enter the Jupiter position (e.g., 180.5)
Enter the Venus position (e.g., 310.9)
Enter the Saturn position (e.g., 225.3)
Enter the Ascendant position (e.g., 5.25)
Enter the Rahu position (optional)
Enter the Ketu position (optional)

This calculator is for informational purposes only. Verify results with appropriate professionals for important decisions.

What Is Drekkana Chart Planetary Positions

Drekkana Chart Planetary Positions refer to where planets are placed in a specific divisional chart used in Vedic astrology. The D3 chart splits each zodiac sign into three equal parts. It shows a detailed view of a person's life, often related to siblings, courage, and the nature of a person's partner.

How Drekkana Chart Planetary Positions Is Calculated

Formula

DS = ((S + Offset − 1) mod 12) + 1

Where:

  • DS = Drekkana Sign Number
  • S = Natal Sign Number (1-12)
  • Offset = 0 (0°-10°), 4 (10°-20°), or 8 (20°-30°)

To find the position, first find the planet's zodiac sign. Then, look at how many degrees it is inside that sign. If it is in the first 10 degrees, it stays in the same sign. If it is between 10 and 20 degrees, it moves to the 5th sign from where it started. If it is between 20 and 30 degrees, it moves to the 9th sign. This process maps the planet to its Drekkana position.

Why Drekkana Chart Planetary Positions Matters

Knowing the Drekkana positions helps people get a deeper look at their birth chart. It adds more detail to the main chart and may provide better insight into specific life areas.

Why Accurate Longitude Is Important for Divisional Charts

Using the correct degrees is vital because the Drekkana chart changes every 10 degrees. If the longitude is wrong by just a few degrees, a planet might appear in the wrong segment. This mistake may lead to a reading that does not match the chart correctly.

For Vedic Astrology Students

Students use this chart to learn about the finer details of a chart. It is often studied to see patterns related to siblings and partners. It helps in building a fuller picture of a person's life path when combined with other divisional charts.

Calculation logic verified using publicly available standards.

View our Accuracy & Reliability Framework →