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Nakshatra Padas: Find the Correct Quarter

Calculate a nakshatra pada from its 3°20′ interval. See why counting from the sign boundary fails and how exact quarter boundaries are assigned.

Names and related terms
Nakshatra quarter · Pada · Nakshatra pada

Editorially reviewed: · Reviewed by OpenFate · Editorial Methodology

Overview

A pada is one of four equal 3°20′ quarters of a nakshatra. Count from the start of the nakshatra, not automatically from 0° of the zodiac sign. A pada number locates a coordinate more precisely; it is not a standalone personality score or a complete divisional-chart reading.

At a glance

One pada
3°20′ = 200 arcminutes
One nakshatra
Four padas = 800 arcminutes
Counting origin
Beginning of the named nakshatra
Boundary convention
Include the start; exclude the next quarter’s start

The four quarters and their calculation

Subtract the nakshatra’s starting longitude from the point’s longitude. Express that offset in arcminutes, divide by 200, discard the fractional remainder, then add one. Offsets 0–199 arcminutes are pada 1; 200–399 are pada 2; 400–599 are pada 3; 600–799 are pada 4.

Retain seconds or a sufficiently precise decimal internally. Rounding a coordinate to a displayed minute can move it across a quarter boundary. A label derived from an unrounded coordinate should not be “corrected” solely because the short display appears to show the next quarter.

Punarvasu crosses a sign in its fourth pada

Punarvasu begins at 80° total sidereal longitude, or 20° Gemini. An invented coordinate of 89°59′ has advanced 9°59′, or 599 arcminutes, and is in pada 3. Exactly 90° has advanced 600 arcminutes and belongs to pada 4, at 0° Cancer.

The sign changes at 90°, but the nakshatra does not: Punarvasu ends at 93°20′. Counting quarters from 0° Cancer would incorrectly call that point pada 1. The correct origin remains Punarvasu’s beginning in Gemini.

Does a pada directly give a Navamsa interpretation?

A 3°20′ pada has the same angular width as one ninth of a sign, so nakshatra quarters and Navamsa divisions align in the conventional framework. However, “pada 2” alone does not identify a Navamsa sign: the natal zodiac location and the declared mapping rule are also needed.

Use the pada as a verified coordinate field before examining a divisional chart. Birth-time uncertainty or an ayanamsa difference may leave the nakshatra unchanged while altering the pada. Report both possibilities where appropriate; do not select a quarter because its description feels flattering.

Sources and editorial basis

  1. P. V. R. Narasimha Rao: Vedic Astrology — An Integrated Approach
    Rao, §1.3.6 and Table 2, printed pp. 10–11: equal 27-sector convention, four 3°20′ padas and named boundaries. §1.3.2 and Table 1, p. 6: rashi intervals. §3.3 and Table 6, pp. 34–35: seven-planet sign rulers, distinct from period lords. Original coordinates and boundary examples are editorial arithmetic, not observed birth charts. The 28-star exception is acknowledged without adopting or inventing Abhijit boundaries; no deity column or life-outcome claim is used.A named practitioner’s introduction to Jyotish. Used for terminology and a stated method, not universal school agreement or scientific validation. The added March 18, 2010 note describes changed views; it does not establish a fully revised 2010 edition.
  2. OpenFate Editorial Methodology
    OpenFate Editorial Methodology, stable sections #editorial-principles, #editorial-workflow, #editorial-ai, and #editorial-context. Used for the calculation/interpretation and evidence-boundary policy.OpenFate separates deterministic chart calculation, traditional interpretation, and modern editorial explanation.
  3. Swiss Ephemeris Programmer’s Manual: Time, Sidereal Modes and Houses
    Swiss Ephemeris Programmer’s Manual, §3: geocentric planetary positions; §9.1–9.2: date, UTC and Julian-day conversion; §11: topocentric setting is distinct; §12.1–12.2: explicitly selected sidereal mode and ayanamsa. These sections support coordinate settings only, not nakshatra symbolism, personality, compatibility or event predictions.Primary software documentation for numerical time and position calculations. Sidereal modes, including named Lahiri variants, are explicit settings. The manual does not validate astrological interpretations.
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