Rashi Calculator
Find your Moon sign (Chandra Rashi) instantly from your birth details — the sign Vedic astrology treats as the true key to your mind, emotions, and daily predictions.
Your Rashi is fixed by the Moon's exact sidereal position at your birth moment — precise birth time and place matter.
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Ruling planets, elements, qualities, Tamil names, and gemstones for all 12 Moon signs
| # | Rashi | Tamil | Ruler | Element | Quality | Gemstone |
|---|---|---|---|---|---|---|
| 1 | ♈ Aries (Mesha) | மேஷம் | Mars | Fire | Cardinal |  Red Coral |
| 2 | ♉ Taurus (Vrishabha) | ரிஷபம் | Venus | Earth | Fixed |  Diamond |
| 3 | ♊ Gemini (Mithuna) | மிதுனம் | Mercury | Air | Mutable |  Emerald |
| 4 | ♋ Cancer (Karka) | கடகம் | Moon | Water | Cardinal |  Pearl |
| 5 | ♌ Leo (Simha) | சிம்மம் | Sun | Fire | Fixed |  Ruby |
| 6 | ♍ Virgo (Kanya) | கன்னி | Mercury | Earth | Mutable | Emerald |
| 7 | ♎ Libra (Tula) | துலாம் | Venus | Air | Cardinal | Diamond |
| 8 | ♏ Scorpio (Vrishchika) | விருச்சிகம் | Mars | Water | Fixed | Red Coral |
| 9 | ♐ Sagittarius (Dhanu) | தனுசு | Jupiter | Fire | Mutable |  Yellow Sapphire |
| 10 | ♑ Capricorn (Makara) | மகரம் | Saturn | Earth | Cardinal |  Blue Sapphire |
| 11 | ♒ Aquarius (Kumbha) | கும்பம் | Saturn | Air | Fixed | Blue Sapphire |
| 12 | ♓ Pisces (Meena) | மீனம் | Jupiter | Water | Mutable | Yellow Sapphire |
Understanding Rashi in Vedic Astrology
What is Rashi (Moon Sign)?
Rashi is the sidereal zodiac sign the Moon occupied at your exact moment of birth — also called Chandra Rashi to distinguish it from your Western Sun sign. There are 12 Rashis, each spanning exactly 30° of the zodiac, and Vedic astrology treats this Moon-based sign, not the Sun, as the primary key to your mind (Manas), emotional instinct, and day-to-day predictions.
How Your Rashi is Calculated
Your Rashi is fixed by the Moon's exact sidereal longitude at birth, which this calculator derives from three inputs: your birth date and time (the Moon moves roughly 13° per day, so precise timing matters), and your birth location (needed to convert local time to Universal Time and resolve the correct planetary position). We apply the Lahiri (Chitrapaksha) ayanamsha — the sidereal correction that separates the Vedic zodiac from the Western tropical one — before mapping the result onto a Rashi.
The 12 Rashis and Their Elements
The 12 Rashis divide evenly into four elemental groups (Tattva), each governing three signs:
- Fire (Agni Tattva): Aries, Leo, Sagittarius — energetic, passionate, and action-oriented.
- Earth (Prithvi Tattva): Taurus, Virgo, Capricorn — practical, grounded, and material-focused.
- Air (Vayu Tattva): Gemini, Libra, Aquarius — intellectual, communicative, and social.
- Water (Jala Tattva): Cancer, Scorpio, Pisces — emotional, intuitive, and spiritual.
The Three Qualities (Chara, Sthira, Dwiswabhava)
Alongside element, each Rashi carries a quality (modality) describing how it moves — distinct from the Sattva/Rajas/Tamas Guna used to classify Nakshatras:
- Cardinal (Chara — movable): Aries, Cancer, Libra, Capricorn — initiative, leadership, starting new things.
- Fixed (Sthira — stable): Taurus, Leo, Scorpio, Aquarius — stability, persistence, determination.
- Mutable (Dwiswabhava — dual): Gemini, Virgo, Sagittarius, Pisces — adaptability, flexibility, change.
Rashi's Role in Daily Life
- Daily/Weekly/Monthly Horoscope: Your Rashifal predictions are read from your Moon sign, not your Sun sign.
- Planetary Transits & Sade Sati: Saturn's 7.5-year transit, and every other Gochara reading, is timed from your Rashi.
- Gemstone Recommendation: Your Rashi lord is a safe, general-purpose gemstone recommendation — see our Gemstone Calculator's Quick Mode.
- Marriage Compatibility: Rashi and Rashi-lord agreement is one of the eight Koota factors checked in Kundali Milan.
This calculator uses the classical Lahiri (Chitrapaksha) sidereal ayanamsha and Swiss Ephemeris planetary positions — the same standard adopted by the Indian government's official Panchang and used across every chart on this site.
Sun Sign vs. Moon Sign
Western astrology reads your Sun sign as your core identity — fixed for roughly a month at a time. Vedic astrology instead centers on the Moon sign (Rashi), since the Moon governs the mind (Manas), emotional instinct, and moment-to-moment reactions, and shifts signs every 2.5 days. That sensitivity is exactly why an accurate birth time matters here, and why the Vimshottari Dasha system — the classical timeline of your life's major planetary periods — begins counting from your Moon's Nakshatra, not your Sun sign.
Practically, this means your daily, weekly, and monthly Rashifal is read from your Moon sign, Saturn's Sade Sati transit is timed from it, and it's a core input into marriage-compatibility (Kundali Milan) matching — while your Ascendant (Lagna), not your Moon sign, governs your outward personality and physical bearing. Each Rashi also spans exactly 2.25 Nakshatras — Rashi gives the broad emotional pattern, and Nakshatra sharpens it into specific personality detail.
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Frequently Asked Questions
Your Sun sign is Western astrology's core identity marker, fixed by the Sun's position and changing roughly once a month. Your Rashi (Chandra Rashi) is the Vedic equivalent, but based on the Moon instead — and the Moon moves through a sign in about 2.5 days, so it's far more sensitive to your exact birth time. Vedic astrology treats the Moon sign as the primary key to your emotional nature and daily predictions (Rashifal), not the Sun.