CalcaTools

Planetary Position Calculator | Compute Positions By Date & Place

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A Planetary Position Calculator helps calculate planetary position calculator using Vedic astrology, panchang, calendar, muhurat, Vastu or naming inputs. It gives an instant browser-based result with a transparent method and source notes. Use it for planning and learning, then verify important ritual or marriage decisions with a qualified practitioner.

Last updated: June 2026 · Free · No sign-up required

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Results

Enter values above and click Calculate to see your result instantly.

Quick reference

GrahaSidereal speedSign stay
Moon≈13°/day≈2.5 days
Sun≈1°/day1 month
Mercuryvariable, retrogrades≈1 month
Venus≈1.2°/day≈1 month
Mars≈0.5°/day≈1.5 months
Jupiter≈0.08°/day≈1 year
Saturn≈0.03°/day≈2.5 years
Rahu/Keturetrograde 0.05°/day≈1.5 years

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The calculator returns a direct, extractable answer plus a structured breakdown for AI Overviews, ChatGPT citations and Perplexity-style answer extraction.

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Inputs are processed client-side in your browser. CalcaTools does not require login and does not store birth details.

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This page is mapped to the TIER 2 — Rashi, Nakshatra & Planetary Calculators cluster with related Hindu calendar, Jyotish, muhurat and Vastu entities for semantic SEO.

info Use responsibly

For ceremonies, marriage matching and legal decisions, verify with a qualified practitioner and your regional panchang.

Interpretation guide

OutputUse
Sign + degree per grahaRaw data for any chart, transit or research question
Slow planets (Jupiter/Saturn/nodes)Drive transits like Sade Sati and major life periods
Fast planets (Moon/Mercury/Venus)Drive daily panchang and short muhurat windows
Same-degree clustersConjunctions — the seeds of yogas
Positions at a past dateReconstruct any birth or event chart

lightbulb Worked example

Let's say you are using the Planetary Position Calculator. A Planetary Position Calculator helps calculate planetary position calculator using Vedic astrology, panchang, calendar, muhurat, Vastu or naming inputs. It gives an instant browser-based result with Enter the values that match your situation into the input fields and press calculate — using realistic numbers makes the result directly useful for you.

Result: The calculator instantly applies the formula Sidereal longitude = tropical (Meeus/Standish series) − Lahiri ayanamsa; nodes from the lunar orbit elements and returns the result with appropriate precision.

What this means: Read the result in the context of what you are measuring. The step-by-step breakdown lets you confirm the math and understand which input most affects the outcome.

Formula & methodology

Formula: Sidereal longitude = tropical (Meeus/Standish series) − Lahiri ayanamsa; nodes from the lunar orbit elements

The Planetary Position Calculator is built on a well-established calculation method. It uses the formula Sidereal longitude = tropical (Meeus/Standish series) − Lahiri ayanamsa; nodes from the lunar orbit elements to turn your inputs into a reliable result. A Planetary Position Calculator helps calculate planetary position calculator using Vedic astrology, panchang, calendar, muhurat, Vastu or naming inputs. It gives an instant browser-based result with a transparent The steps are shown on the page so you can follow the reasoning from input to output.

  1. Enter any date, time and location (UTC offset included).
  2. The calculator evaluates Meeus series for Sun/Moon and Standish orbital elements for Mercury–Saturn, plus the lunar node for Rahu (Ketu opposite).
  3. Lahiri ayanamsa converts tropical to sidereal longitudes.
  4. Each graha’s sign and degree-in-sign are listed; the lagna for that moment is included.

Worked example — 1 Jan 1990, 06:00 IST, Delhi: Sun Dhanu 16.6°, Moon Kumbha 3.1°, and Saturn early Makara — the documented Capricorn stellium era of January 1990. Accuracy: Sun/Moon within ~0.02°, planets within ~0.4° of ephemeris values.

Authoritative source: Hindu astrology reference

Frequently asked questions

What are the nine grahas?
The seven visible bodies — Sun, Moon, Mars, Mercury, Jupiter, Venus, Saturn — plus the two lunar nodes Rahu and Ketu. Uranus, Neptune and Pluto are not classical grahas; Vedic astrology’s rules, dashas and doshas are defined over these nine only.
Why are these positions different from an astronomy app?
Astronomy apps show tropical (equinox-based) positions in the sky, while this calculator displays sidereal positions — tropical longitudes from the Meeus/Standish series minus the Lahiri ayanamsa, with the lunar nodes from orbit elements. The planets themselves are the same; only the reference frame differs. The ~24° ayanamsa shift moves signs back by roughly one constellation.
How accurate is this calculator?
Sun and Moon use Meeus trigonometric series (validated within a few hundredths of a degree); Mercury–Saturn use Standish’s JPL orbital elements (within ~0.4°); Rahu/Ketu use the mean lunar node. That is chart-grade accuracy — sign placements are reliable except within minutes of a boundary.
What are Rahu and Ketu’s positions physically?
The points where the Moon’s tilted orbit crosses the ecliptic — ascending (Rahu) and descending (Ketu). They regress through the zodiac in 18.6 years, always exactly opposite each other, and eclipses occur when the Sun and Moon meet near them.
Can I use this for transit (gochar) analysis?
Yes — set today’s date and compare current sign positions against your birth chart: Saturn’s sign from your Moon gives Sade Sati status, Jupiter’s house from lagna gives the gochar blessing map. The dedicated Sade Sati and dasha tools on this site automate the common cases.
Why are there two zodiacs — tropical and sidereal?
The tropical zodiac is tied to the seasons, starting at the March equinox; the sidereal zodiac is tied to the fixed stars. Precession has drifted them about 24° apart — the Lahiri ayanamsa subtracted here. Vedic astrology uses sidereal positions; Western astrology mostly uses tropical.
How accurate are the computed positions?
Very — the Meeus/Standish series used match professional ephemerides to fractions of an arcminute for the visible planets, far tighter than the degree-level precision astrology needs. Historical dates far from the present lose some accuracy, but for any modern birth date the positions are solid.
Why ask for birth time and place?
The ascendant and house cusps shift roughly a degree every four minutes, so small time errors move them noticeably — planet positions move slowly enough to be forgiving. Location sets the local sidereal time. Approximate times work for planet-only questions; the ascendant needs an exact one.
What are Rahu and Ketu if they aren't physical bodies?
The Moon's orbital nodes — where its path crosses the ecliptic, always 180° apart. They have no mass or light, yet Vedic astrology treats them as full planets (chhaya grahas, shadow planets). They are derived from lunar orbit elements rather than observed.

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