Birth Chart Calculator
Free birth chart calculator. Get your Sun, Moon, and Rising signs instantly with accurate planetary positions, house placements, aspects, and element balance. Supports both Tropical (Western) and Sidereal (Vedic) zodiac systems. Powered by NASA JPL ephemeris data.
Delhi, India (28.61°, 77.21°)
Tropical zodiac aligned to seasons and equinoxes. Used in Western astrology.
Your Big Three
Sun
Capricorn
Moon
Scorpio
Rising
Aries
Ambitious, disciplined, and structure-building
Planetary Positions
Where each planet was at the moment of birth
| Planet | Sign | Degree | House |
|---|---|---|---|
Sun | Capricorn | 10°08' | 10H |
Moon | Scorpio | 10°34' | 8H |
Mercury | Sagittarius | 13°09' | 9H |
Venus | Libra | 2°14' | 7H |
Mars | Pisces | 29°18' | 12H |
Jupiter | Taurus | 6°16' | 2H |
Saturn | Taurus | 15°43' | 2H |
Uranus | Aquarius | 16°25' | 11H |
Neptune | Aquarius | 3°56' | 11H |
Pluto | Sagittarius | 10°32' | 9H |
Element Balance
Distribution of planets across the four elements
Fire
2 planets
Earth
3 planets
Air
3 planets
Water
2 planets
Modality Balance
Energy expression style
Initiating, leadership-oriented
Stable, determined, persistent
Adaptable, flexible, versatile
Aspects
Angular relationships between planets (15 found)
Houses (Whole Sign)
Which zodiac sign rules each area of life
House 1
Aries
House 2
Taurus
House 3
Gemini
House 4
Cancer
House 5
Leo
House 6
Virgo
House 7
Libra
House 8
Scorpio
House 9
Sagittarius
House 10
Capricorn
House 11
Aquarius
House 12
Pisces
All calculations happen in your browser using NASA JPL ephemeris data. No data is sent to any server. This calculator is for entertainment and educational purposes only.
What Is a Birth Chart?
A cosmic snapshot of the sky at the moment of your birth
A birth chart, also called a natal chart, is a map of the sky at the exact moment you were born. It shows the positions of the Sun, Moon, and planets in the 12 zodiac signs and 12 astrological houses. Think of it as a cosmic snapshot that astrologers use to understand personality traits, life themes, and potential strengths and challenges.
The Big Three
Your Sun sign (core identity), Moon sign (emotional nature), and Rising sign or Ascendant (how others perceive you). Together, they provide a much more nuanced picture than your Sun sign alone.
This calculator uses NASA JPL ephemeris data via the astronomy-engine library to compute accurate planetary positions for any date between 1800 and 2100. It supports both the Tropical (Western) and Sidereal (Vedic/Lahiri) zodiac systems.
How to Read Your Birth Chart
Planets, signs, and houses — the three building blocks
Reading a birth chart follows a simple framework: Planets represent what energy is at play, Signs describe how that energy expresses itself, and Houses show where in your life it manifests.
Planets (What)
Each planet governs a different part of life. The Sun rules identity, the Moon rules emotions, Mercury rules communication, Venus rules love and values, Mars rules drive and energy.
Signs (How)
The zodiac sign a planet occupies colors how that energy is expressed. Venus in Aries expresses love boldly, while Venus in Pisces expresses love through compassion and imagination.
Houses (Where)
The 12 houses represent different life areas. The 1st house is self-image, the 7th is partnerships, the 10th is career. Where a planet falls shows which life area it influences most.
Aspects
Aspects are the angles between planets. A conjunction (0°) blends energies, a trine (120°) creates flow, a square (90°) creates tension that drives growth, and an opposition (180°) highlights a need for balance between two forces.
Understanding the 12 Houses
Each house governs a specific area of your life
1st House
Self, appearance, first impressions
2nd House
Finances, values, possessions
3rd House
Communication, siblings, short travel
4th House
Home, family, roots, inner world
5th House
Creativity, romance, children, play
6th House
Health, daily routines, service
7th House
Partnerships, marriage, contracts
8th House
Transformation, shared resources, intimacy
9th House
Philosophy, higher education, long travel
10th House
Career, public image, authority
11th House
Friendships, groups, hopes, community
12th House
Spirituality, solitude, the subconscious
Whole Sign House System
This calculator uses the Whole Sign house system, where each house corresponds to an entire zodiac sign. The 1st house is always the complete sign of your Ascendant. Whole Sign is one of the oldest house systems and has seen a strong revival in modern astrology due to its clarity and consistency.
Key Considerations
Things to keep in mind when reading your birth chart
Birth time matters
The Ascendant (Rising sign) changes roughly every 2 hours. Without an accurate birth time, house placements and the Rising sign cannot be calculated. If you don’t know your birth time, check your birth certificate or hospital records.
Tropical vs. Sidereal
Western astrology uses the Tropical zodiac (aligned to the seasons/equinoxes), while Vedic/Indian astrology uses the Sidereal zodiac (aligned to the fixed stars). They differ by about 24 degrees. Neither is more “correct”; they are different frameworks.
Retrograde planets
When a planet appears to move backward in the sky (retrograde), it is marked with an “R” in your chart. Retrogrades are normal astronomical phenomena and occur regularly for all planets except the Sun and Moon.
Birth location accuracy
Your geographic coordinates affect the Ascendant and house placements. Select the city closest to your actual birthplace for the most accurate results.
Frequently Asked Questions
Common questions about birth charts and how this calculator works