The draconic chart is obtained by rotating the tropical positions so that the Moon's North Node is pulled to 0° Aries; the aspect pattern is preserved and only the zodiacal frame is rebuilt relative to the node. From your birth details this tool computes the tropical and draconic positions side by side, using the mean node.
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The draconic chart (draconic chart) is your tropical birth chart reframed around the Moon's North Node. In the tropical zodiac, 0° Aries is the spring equinox; in the draconic zodiac the zero point is shifted to the Lunar Node — the point where the Moon's orbit crosses the ecliptic. In practice every planet is rotated backward by the North Node's longitude at birth, answering the question: "if the node were taken as zero, which sign and degree would my planets fall in?"
The calculation is a single rotation: each planet's draconic longitude = (tropical longitude − North Node longitude + 360) mod 360. Because the node sits at 0° Aries, the angular distances between planets are preserved exactly — conjunctions, oppositions, trines and squares are identical to the tropical chart. The only thing that changes is the sign-and-degree frame; the chart rotates, its geometry does not break.
This tool computes with the mean node. Instead of the true node's daily wobble, the smoothly moving mean node is the reference preferred in both classical and most modern draconic work.
The lunar nodes move backward (retrograde) along the ecliptic. The true node oscillates back and forth during this motion under the Moon's pull, while the mean node is the smoothed average of that oscillation. The two usually differ by less than 1.5° — but when a planet falls right on the node longitude, this small difference can place the draconic planet on either side of a sign boundary. For consistency this calculator uses the mean node.
In the traditional reading the tropical chart describes "who you are in this world," while the draconic chart represents a more inward layer — your intentions, ingrained patterns, your attitude behind the curtain. Because the North and South Lunar Nodes are already read as the karmic axis, realigning the chart to that axis makes the planets' position within this frame visible.
The most widely used draconic technique is to overlay the draconic planets on top of the tropical chart (a bi-wheel). When a draconic planet falls on the same degree as a tropical planet or angle (ASC/MC) — this is called a draconic–tropical conjunction — that planet's theme is considered strongly "triggered" in your life. This calculator presents the two frames side by side in a table, so you can mark the conjunctions by comparing the degrees.
The lunar nodes complete a full circuit roughly every 18.6 years (the node cycle); a node return occurs over the same period. Because the draconic chart is fixed to the node position at the moment of birth, your "draconic signature" never changes; but when transiting nodes reach your draconic planets, this inner layer surfaces through current events.
To study the draconic technique in depth with an astrologer, see the draconic chart consultation and the education pages.
This draconic chart calculator reframes your tropical birth chart around the Moon's mean North Node and presents the tropical and draconic planetary positions side by side. The calculation engine uses the astronomy-engine library, built on NASA JPL ephemeris data; the node longitude is computed with Meeus' mean-node formula. The tool produces:
The tool's developer and the author of the Turkish interpretation of the classical texts, Şira Nur Uysal, is a teacher and consultant of classical astrology. To study the draconic technique in depth, see the draconic chart consultation; for general resources, visit consultation, education and the astrology glossary pages. All calculations run locally in your browser; your birth details are never sent to any server.
Common questions about the draconic chart and the node-based zodiac
A draconic chart is obtained by rotating the tropical birth chart so that the Moon's North Node is taken as 0° Aries. In the tropical zodiac the zero point is the spring equinox; in the draconic zodiac the zero point is shifted to the Lunar Node. This answers the question "if the node were zero, which sign and degree would my planets fall in?" In the traditional reading the draconic chart represents an inner, spiritual or karmic layer.
The calculation is a single rotation: each planet's draconic longitude = (tropical longitude − North Node longitude + 360) mod 360. Because the node sits at 0° Aries, the angular distances between planets are preserved exactly — conjunctions, oppositions, trines and squares are identical to the tropical chart. The only thing that changes is the sign-and-degree frame; the chart rotates but its geometry does not break.
This tool uses the mean node. The lunar nodes move backward along the ecliptic; the true node oscillates back and forth during this motion, while the mean node is the smoothed average of that oscillation. The two usually differ by less than 1.5°, but when a planet falls right on the node longitude this small difference can place the draconic planet on either side of a sign boundary. The mean node is the consistent reference preferred in both classical and modern draconic work.
Because the aspect pattern stays the same, the two charts have the same "shape"; only the sign-and-degree frame shifts. The amount of the shift is exactly equal to the North Node longitude at birth. Planets closest to the node land near 0° Aries; the most striking case is when a planet's draconic position falls on the same degree as a tropical planet or angle (ASC/MC) — this is called a draconic–tropical conjunction.
In the traditional reading the tropical chart describes who you are in this world, while the draconic chart represents a more inward layer — your intentions, ingrained patterns and the attitude behind the curtain. Because the North and South Lunar Nodes are read as the karmic axis, realigning the chart to that axis makes the planets' position within this frame visible. The most common technique is to overlay the draconic planets on the tropical chart (a bi-wheel) and read the conjunctions.
The planets' draconic positions (sign and degree) change very little over the course of a day, so they can be computed reliably even without a known time. However, the draconic Ascendant (ASC) and Midheaven (MC) depend critically on the time; a one-hour difference shifts the ASC by about 15° and shifts its draconic counterpart by the same amount. If you will work with the ASC/MC, an accurate birth time is essential; if you are unsure of your time, a rectification consultation can determine it.