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Your stars,
calculated.

Type your birthday and watch your sign and today's energy appear. Then go deeper: biorhythms, compatibility, a Vedic Kundli and your daily horoscope, all calculated from real astronomy.

Find my sign
Verified against Swiss Ephemeris Lahiri ayanamsa · whole-sign houses No sign-up, nothing stored Charts in under a second 100% free, forever Verified against Swiss Ephemeris Lahiri ayanamsa · whole-sign houses No sign-up, nothing stored Charts in under a second 100% free, forever Verified against Swiss Ephemeris Lahiri ayanamsa · whole-sign houses No sign-up, nothing stored Charts in under a second 100% free, forever Verified against Swiss Ephemeris Lahiri ayanamsa · whole-sign houses No sign-up, nothing stored Charts in under a second 100% free, forever

Today in the sky

Today's Panchang

Sunrise –

Sunset –

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28.614°, 77.209° · Asia/Kolkata

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Everything you need, nothing behind a paywall

From your birth chart to the best time to sign a contract, every tool runs instantly in your browser.

How it works

01

Start with a birthday

One date reveals your Sun sign, element and ruling planet in an instant, no sign-up needed.

Find your sign
Mar 21 – Apr 19♈︎AriesFire · Mars
Mar 21 – Apr 19♈︎AriesFire · Mars
14of 36 gunas

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zodiac signs

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nakshatras

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gunas matched

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city muhurats

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Daily horoscope

What do the stars say today?

All signs today
♈︎

Mesha · Mar 21 – Apr 19

Aries

FireCardinalRuled by Mars

Aries are natural leaders, driven by ambition and a desire to win. They are fearless and love challenges but may struggle with patience. In Vedic astrology, Mesha Rashi natives are ruled by Mars, making them assertive and strong-willed.

01

Real astronomy

Every chart starts from planet positions for your exact birth moment and place, with historical time zones and daylight saving handled for you.

02

Vedic done properly

Lahiri ayanamsa, whole-sign houses, nakshatra padas, navamsa and Vimshottari dasha with real start and end dates.

03

Plain-English answers

Clear explanations next to every number, so you understand what your chart says without a dictionary of Sanskrit terms.

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Our AI assistant knows every tool and guide on Astronook. Ask in plain words and it points you to the right answer.

Guides

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FAQ

Frequently asked questions

Is the Astronook Kundli accurate?

Yes. Planet positions are computed with a dedicated astronomy engine and checked against Swiss Ephemeris, the reference used by professional astrologers. Across 400 random charts from 1900 to 2050, every planet was within 3 arc-minutes and the ascendant within half an arc-minute, far finer than a nakshatra pada (3°20').

Which ayanamsa and house system do you use?

Vedic tools use the Lahiri (Chitrapaksha) ayanamsa, the Indian government standard, with whole-sign houses as in traditional Parashari astrology. The Find My Zodiac Sign tool also shows your Western (tropical) sun sign.

Do I need the exact time of birth?

For your Sun sign, no. For the ascendant (Lagna), houses and Kundli matching, the time matters: the ascendant changes roughly every two hours, and the Moon changes nakshatra about once a day.

Is my birth data saved?

No. Charts are calculated on request and nothing is stored or linked to you. There is no account to create.

Is Astronook free?

Every tool is free. The site is supported by ads, which is why there are no paywalls or sign-ups.