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Moon Sign Calculator
Find your Vedic moon sign (janma rashi) — the sign your Moon was in at the moment you were born. In Vedic astrology, this matters more than your sun sign.
Lahiri ayanamsa · Swiss-grade ephemeris · Classical Parashari rules
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Accurate time and place give you an accurate reading
What is a Vedic moon sign?
Your Vedic moon sign — called janma rashi in Sanskrit — is the zodiac sign your Moon was in at the moment you were born, calculated in the sidereal zodiac (anchored to the actual stars rather than the seasons). It is the single most important placement in Vedic astrology for personality and predictive work.
Unlike Western astrology, which centres on the sun sign, Vedic astrology centres on the moon. The reason: the moon governs the mind, emotional life, and how you actually feel day-to-day — which matches more closely what most people are asking when they look at their chart. Read more in What your Vedic moon sign actually says about you.
Vedic vs Western moon sign
The two systems use different reference frames. Western astrology uses the tropical zodiac, fixed to the spring equinox. Vedic uses the sidereal zodiac, fixed to the actual stars. The two are currently offset by about 24° — meaning a person born when the Moon was in tropical Cancer is often in Vedic Gemini.
Neither is “more accurate” — they answer different questions. But for traditional Vedic predictive work (dashas, transits, marriage matching), the Vedic moon sign is what you want. For more on why the systems differ, see Vedic vs Western astrology.
The Moon's strength varies by sign
Taurus is the Moon's exaltation sign (strongest position) — Taurus moons are the most emotionally grounded. Cancer is the Moon's own sign (also very strong) — deeply feeling, family-rooted. Scorpio is the Moon's debilitation sign (hardest position) — intense, secretive, with extraordinary depth once trusted. The sign your Moon is in shapes the entire emotional foundation of your chart.
Going deeper — nakshatra, pada, dasha
The moon sign is the broad emotional weather. For finer detail: each sign contains 2¼ nakshatras (lunar mansions), and your nakshatra is the key to your Vimshottari dasha — the planetary period system Vedic astrology uses to time life events. Use the moon sign as your starting point, then drill in.
Frequently Asked Questions
What is a Vedic moon sign (rashi)?
Your Vedic moon sign (janma rashi) is the zodiac sign your Moon was in at the moment you were born, calculated using the sidereal zodiac (Lahiri ayanamsa). In Vedic astrology this is more important than your sun sign — it governs personality, emotional life, and is the anchor of nearly all predictive work including Vimshottari dasha.
Why is my Vedic moon sign different from my Western one?
Western astrology uses the tropical zodiac (anchored to the seasons), while Vedic uses the sidereal zodiac (anchored to the actual stars). They're currently ~24° apart. Most people's Vedic moon sign is one sign earlier than their Western one. Both systems are internally consistent — they just use different reference frames.
Which moon sign matters more — Vedic or Western?
Depends on which system you're reading. In Vedic astrology, the Vedic moon sign is primary — Indian newspaper horoscopes, marriage matching, dasha calculations all use it. In Western astrology, the Western moon sign is what your horoscope app uses. Most people find Vedic moon sign descriptions fit more closely, but that's not "more true" — it's a different system.
Why does birth time matter for the moon sign?
The Moon moves about one zodiac sign every 2.5 days, so a date alone usually pins your moon sign — but if you were born near a sign boundary (within a few hours of the Moon's sign change), the time matters significantly. For the nakshatra and pada, time is even more critical since the Moon changes nakshatra every ~24 hours.
What is janma rashi?
"Janma" means birth in Sanskrit. Janma rashi is the same thing as your Vedic moon sign — the zodiac sign your Moon occupied at the moment you were born. It's the foundation of Vedic predictive astrology.
What if I don't know my exact birth time?
If you're not born near a sign cusp, your moon sign should still be correct even with an approximate time. The "Roughly" option in the form is fine for most cases. For the nakshatra and pada (a finer division), exact time matters more. If you're very uncertain, run the calculator with your best guess and consider both adjacent signs.
How accurate is Yuktai's moon sign calculator?
We use astronomy-engine for sub-arcsecond planetary positioning, then apply the Lahiri ayanamsa (the Indian government's standard sidereal offset) to convert to Vedic sign. The result matches what a traditional Vedic astrologer or Indian almanac would give you.
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