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Navamsa Chart Calculator: D9 and D1 Comparison
Calculate your Navamsa (D9) chart and compare it with your D1 birth chart. See both charts, the D9 Ascendant, and a readable table of planetary signs from the same birth details.
Reading D9 alongside your birth chart
Navamsa divides each 30-degree sign into nine parts of 3 degrees 20 minutes. Each part maps to a D9 sign using the Parashari mapping. D9 is traditionally read alongside D1 to examine the condition of planets and relationship themes; it does not replace the birth chart.
Why is exact birth time especially important for D9?
The Ascendant moves through small Navamsa divisions quickly. An uncertain time can change the D9 Ascendant and house framework. The calculator displays the result for the time supplied, not a rectified birth time.
Why are the D1 and D9 signs different?
D1 labels the original 30-degree sign. D9 assigns a sign from the smaller ninth-division segment. A different D9 sign is expected and is not a second astronomical position.
Can one D9 placement predict marriage?
No single placement establishes whether, when, or how a marriage will occur. Use the comparison to understand the chart structure rather than treating an isolated position as a prediction.
Calculations use Swiss Ephemeris, Lahiri ayanamsa, and mean lunar nodes. Astrological interpretations are traditional symbolism, not scientific predictions. Read our guide to interpreting a placement.
What you can do
One chart. Different ways to use it.
See current timing
View your current Vimshottari Mahadasha and Antardasha in the context of the natal chart.
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