Libra · by personality
Dune · House Atreides
Duncan Idaho: zodiac sign and birth chart
Duncan has no canon birthday. Frank Herbert's novels give only ages and years, never a day. Read from his personality, he's a Libra: Sun and Mercury both there, with a Gemini Moon and rising. The Swordmaster of Ginaz is charming, quick and the funniest man in the room.
- SunLibra
- MoonGemini
- RisingGemini
- MercuryLibra
- VenusScorpio
- MarsAries
SourceNo canon birthday: Frank Herbert's novels and Denis Villeneuve's films never give Duncan a date. The chart is NEBO's take, read from his personality.
Birth chart
Duncan's chart at a glance
No canon birthday, so this is NEBO's take, read from his character.
- Fire1
- Earth0
- Air4
- Water1
- Mostly air. 4 of his 6 placements are air signs.
- About 1 in 27 birthdays get Duncan in the app's Dune world.
- Other Libras here: Baron Harkonnen.
NEBO's take
No birthday in canon. His personality says Libra.
We ran Duncan through the same model that matches people to characters in the app, and looked at which chart gets him most often. It reads him as air first: charming, quick and ready to fight and joke in the same breath.
Canon
No canon birthdayNever given in the books or the filmsNEBO's take
Libra SunRead from his personality- Sun
CanonNot in canonNEBO's takeLibra
Libra is the charmer. He earns the Fremen's respect by getting along with them.
- Moon
CanonNot in canonNEBO's takeGemini
Gemini jokes. He can be a fierce warrior and the funniest person in the room.
- Rising
CanonNo birth timeNEBO's takeGemini
No birth time in canon. First impression: a grinning swordmaster who looks like he's enjoying himself.
- Mercury
CanonNot in canonNEBO's takeLibra
Libra Mercury negotiates well. He's sent to Arrakis first to talk with the Fremen.
- Venus
CanonNot in canonNEBO's takeScorpio
Scorpio is loyal to the death. His love for the Atreides is not words but what he does in the hardest moment.
- Mars
CanonNot in canonNEBO's takeAries
Aries fights first. He's so fast and precise that he holds back a whole squad on his own.
What canon does give: a swordmaster Paul adores like an older brother. A Libra answer is to keep the peace with a smile and keep the sword ready.
How he shows up
Why he's like this
Libra is the sign of charm, balance and getting along with everyone. Duncan hits it in scenes fans know.
CoreLibra Sun
Wins over the Fremen
Duncan is sent to Arrakis first to talk with the Fremen, and he earns their respect.
Dune: Part One
FeelingsGemini Moon
Fighter and joker
He's a swordmaster of Ginaz, and the kind of fierce warrior who is also the funniest person in the room.
Dune: Part One
In a fightMars in Aries
Fast and precise
Duncan fights so fast and precisely that he holds back a whole squad on his own.
Dune: Part One
LoveVenus in Scorpio
Holds the line
When the Atreides are betrayed, he holds off the enemy at the cost of his own life so Paul and Jessica can escape.
Dune: Part One · spoiler
Your turn
Which Dune character are you?
Pick your birthday. Your Sun sign gives a first answer right here, then the app reads your whole chart.
Aries girls get Princess Irulan most often. Aries guys get Emperor Shaddam IV.
You and Duncan: Opposite signs. You see each other's blind spot.
Taurus girls get Chani most often. Taurus guys get Stilgar.
You and Duncan: Signs that speak different languages. Curious mix.
Gemini girls get Liet-Kynes most often. Gemini guys get Thufir Hawat.
You and Duncan: Same element, air. Easy chemistry, same pace.
Cancer girls get Lady Jessica most often. Cancer guys get Paul Atreides.
You and Duncan: Signs at a right angle. Friction, the useful kind.
Leo girls get Chani most often. Leo guys get Duke Leto.
You and Duncan: Signs that cheer each other on. Good team.
Virgo girls get Chani most often. Virgo guys get Stilgar.
You and Duncan: Next-door signs. Different instincts, lots to learn.
Libra girls get Liet-Kynes most often. Libra guys get Duncan Idaho.
You and Duncan: Same sign. You'd get each other without trying.
Scorpio girls get Lady Jessica most often. Scorpio guys get Edric.
You and Duncan: Next-door signs. Different instincts, lots to learn.
Sagittarius girls get Chani most often. Sagittarius guys get Feyd-Rautha.
You and Duncan: Signs that cheer each other on. Good team.
Capricorn girls get Chani most often. Capricorn guys get Emperor Shaddam IV.
You and Duncan: Signs at a right angle. Friction, the useful kind.
Aquarius girls get Alia most often. Aquarius guys get Baron Harkonnen.
You and Duncan: Same element, air. Easy chemistry, same pace.
Pisces girls get Lady Jessica most often. Pisces guys get Paul Atreides.
You and Duncan: Signs that speak different languages. Curious mix.
That's your Sun sign talking. The app reads your Moon, Venus, Mars and the rest, and the answer can change.
Get my real Dune character→Chemistry
Who Duncan clicks with, and who he clashes with
Read from the charts on their pages. The plot may disagree.
Clicks with
- Baron HarkonnenGemini Moon+Gemini MoonMoons in the same element: they calm down the same way, no translation needed.
- Thufir HawatLibra Sun+Gemini SunSuns in the same element: they want the same things and go after them the same way.
- Princess IrulanLibra Sun+Libra MoonSun and Moon in the same element: around each other, they feel seen.
Pick a side
Are you more Duncan or Paul?
Your birthday settles it. The app reads your whole chart and tells you who you really get.
Similar charts
Who else has Duncan's chart
Famous Libras with his placements
Their charts line up with NEBO's take on Duncan. A chart match only: none of them is connected to this page.
Teddy SwimsLibra Sun · Mercury in Libra, Venus in Scorpio.jpg)
JiminLibra Sun · Gemini Moon, Mercury in Libra, Venus in Scorpio%2520(53792876988)%2520(cropped).jpg)
Doja CatLibra Sun · Mercury in Libra, Venus in Scorpio
NingningLibra Sun · Mercury in Libra, Venus in Scorpio.jpg)
Jenna OrtegaLibra Sun · Gemini Moon, Mercury in Libra, Venus in Scorpio
GaeulLibra Sun · Mercury in Libra, Venus in Scorpio
Duncan in real life
The app casts Jisung of NCT (Aquarius Sun), Agent00 (Taurus Sun) and Blanco (Aquarius Sun) as Duncan, none of them Libras.
Characters like him in other worlds
Same chart pattern in our model, different universe.
Dune
Characters like Duncan
Closest charts first: shared signs, same elements.
Which Dune character are you?
Add your birthday and the app finds your Dune character, your house and how close you are to Duncan.
Are you Duncan? Find your character→Questions
Duncan's zodiac sign: what people ask
What zodiac sign is Duncan Idaho?
Canon never says. Frank Herbert's novels and Denis Villeneuve's films give Duncan no birthday. By personality, NEBO's take is Libra.
When is Duncan's birthday?
It isn't given anywhere in canon, only age and the story's timeline as it moves on.
Is Duncan a Libra?
By personality, yes: charming, fast and funny. It's NEBO's take, not canon, because no birthday exists.
What is Duncan's birth chart?
NEBO's take: Sun and Mercury in Libra, Moon in Gemini, Gemini rising, Venus in Scorpio, Mars in Aries. Read from his personality, not from a canon date.
What element is Duncan?
Air. Libra is an air sign, and 4 of his 6 placements are air too.
Who is Duncan most compatible with?
By chart, Baron Harkonnen, Thufir Hawat and Princess Irulan. Gemini Moon and Gemini Moon: they calm down the same way, no translation needed.
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