How is your birth Nakshatra calculated?

Your Nakshatra is determined from the sidereal longitude of the Moon at the moment of birth. We compute the tropical Moon position and apply the Lahiri ayanamsa to convert to the sidereal zodiac, then divide the 360° wheel into 27 equal segments of 13°20' each — the slice containing your sidereal Moon is your Nakshatra.

Is the Nakshatra Calculator accurate?

The calculator uses a simplified lunar-longitude formula reliable for births between 1900 and 2100. For births within an hour or two of a Nakshatra boundary, a full Vedic chart cast with exact birth time and place is recommended for the highest precision.

Is the Nakshatra Calculator free?

Yes, this calculator is completely free on Karmaculator. No login, no paywall, no email required.

Spiritual · Vedic Astrology

Nakshatra Calculator

In Vedic astrology, the Moon's position at your birth determines your Nakshatra: the lunar mansion that reveals your emotional nature, your soul's orientation, and the qualities that make you distinctly yourself. Enter your date of birth to discover yours.

Date of Birth

Time of Birth

The Moon moves about 13° per day, so birth time can change your nakshatra. Enter the time exactly as it appeared on the local clock at your birth location.

Birth Location

We use this to apply the correct timezone (including historical DST) so the Moon's position is anchored to your birth instant, not your current location.

This calculator uses the sidereal (Lahiri) Moon longitude on your birth instant. For the most precise result, a complete Vedic birth chart calculated by an experienced astrologer using your exact birth coordinates is recommended.

27 Nakshatras — A Complete Lunar Zodiac

The 27 nakshatras divide the 360-degree sky into equal segments of 13°20' each — corresponding to the approximately 27-day cycle of the Moon's orbit around the Earth. Each nakshatra is associated with a specific star or star cluster, a presiding deity, a ruling planet, and a distinct quality of experience. Together, the 27 nakshatras form one of the most detailed maps of human nature available in any astrological tradition.

This calculator uses a simplified version of the lunar longitude calculation, accurate for most birth dates between 1900 and 2100. For the most precise Nakshatra determination — particularly when the Moon is near the boundary between two nakshatras — a complete Vedic birth chart calculation using your exact time and location of birth is recommended.