✦ Friend Group Star Map ✦

Harry Potter: Star Signs & Group Chemistry

The friend group that saved the wizarding world, and unusually, most of their signs are canon, drawn from the characters' actual birthdays. We scored their chemistry to see who's the true anchor of the group.

♌ Harry Leo ♍ Hermione Virgo ♓ Ron Pisces ♌ Ginny Leo ♌ Neville Leo ♒ Luna Aquarius
70chemistry
Beautiful Chaos
it works and no one can explain why

6 signs, 4 elements, one group chat. At 70/100 you're the group that works and nobody can fully explain why. equal parts chaos and glue. This crew leans Fire: the gas pedal. plans get made at 2am and, somehow, executed by 6.

The Group Dynamic

The lowest score of the set, a 70, and the chart shows why: this is a Fire-heavy group with three Leos (Harry, Ginny, Neville) all burning at once, plus one lonely Earth (Hermione), one Air (Luna) and one Water (Ron). Plenty of bravery and heart, not a lot of natural harmony, which is basically the seven-book plot.

Harry is the Anchor, the Leo the entire group orbits (the title is right there in the name). The smoothest bond is Harry and Neville, two Leos in a warm conjunction, the two boys the prophecy could have been about, quietly the same kind of brave.

And the clash is the one every fan knows: Harry and Ron, Fire and Water, the hero and the best friend who periodically storms off. It is the friendship the series stress-tests hardest, and it survives every time. Beautiful Chaos, held together by loyalty and a shared enemy.

The Cast, Sign by Sign

♌
Harry Leo
Brave, loyal and born to lead whether he wants to or not, Harry's canon July 31st birthday makes him a Leo.
♍
Hermione Virgo
Brilliant, meticulous and rule-abiding until principle demands otherwise, Hermione is a canon Virgo (September 19th).
♓
Ron Pisces
Emotional, loyal and ruled by his heart and his insecurities, Ron is a canon Pisces (March 1st).
♌
Ginny Leo
Fierce, confident and unafraid of the spotlight, Ginny shares Harry's canon Leo fire (August 11th).
♌
Neville Leo
Timid at first, then astonishingly brave, Neville's canon July 30th birthday makes him a quiet Leo.
♒
Luna Aquarius
Serenely strange and utterly herself, Luna is the wizarding world's canon Aquarius (February 13th).

Your Chemistry Constellation

Every friend is a star, and the map arranges itself: the stronger two people click, the closer they pull together; friction drifts them apart. Green threads flow, red ones spark.

Elemental Makeup

🔥
3× Fire
the gas pedal. plans get made at 2am and, somehow, executed by 6.
🌱
1× Earth
the spine. there's a plan, a backup plan, and a spreadsheet nobody asked for.
💨
1× Air
the group chat incarnate. 400 unread and climbing, all ideas and gossip.
💧
1× Water
the feelings department. every hangout quietly doubles as group therapy.

How Everyone Vibes

Harry ♌ Leo & Ginny ♌ Leo
74
💞 Same sign
Harry and Ginny are the same sign, which is either soulmate behavior or a mirror neither can look away from.
Harry ♌ Leo & Neville ♌ Leo
74
Same sign
Harry and Neville are the same sign, which is either soulmate behavior or a mirror neither can look away from.
Ginny ♌ Leo & Neville ♌ Leo
74
Same sign
Ginny and Neville are the same sign, which is either soulmate behavior or a mirror neither can look away from.
Harry ♌ Leo & Luna ♒ Aquarius
62
Opposites
Harry and Luna are polar opposites: constant magnetism, occasional warfare, zero indifference.
Hermione ♍ Virgo & Ron ♓ Pisces
62
Opposites
Hermione and Ron are polar opposites: constant magnetism, occasional warfare, zero indifference.
Ginny ♌ Leo & Luna ♒ Aquarius
62
Opposites
Ginny and Luna are polar opposites: constant magnetism, occasional warfare, zero indifference.
Neville ♌ Leo & Luna ♒ Aquarius
62
Opposites
Neville and Luna are polar opposites: constant magnetism, occasional warfare, zero indifference.
Harry ♌ Leo & Hermione ♍ Virgo
58
Just off-beat
Harry and Hermione get along fine until they don't, and neither can say exactly why.
Hermione ♍ Virgo & Ginny ♌ Leo
58
Just off-beat
Hermione and Ginny get along fine until they don't, and neither can say exactly why.
Hermione ♍ Virgo & Neville ♌ Leo
58
Just off-beat
Hermione and Neville get along fine until they don't, and neither can say exactly why.
Ron ♓ Pisces & Luna ♒ Aquarius
58
Just off-beat
Ron and Luna get along fine until they don't, and neither can say exactly why.
Harry ♌ Leo & Ron ♓ Pisces
50
Different wiring
Harry and Ron never fully get each other, and somehow that's the whole charm.
Hermione ♍ Virgo & Luna ♒ Aquarius
50
Different wiring
Hermione and Luna never fully get each other, and somehow that's the whole charm.
Ron ♓ Pisces & Ginny ♌ Leo
50
Different wiring
Ron and Ginny never fully get each other, and somehow that's the whole charm.
Ron ♓ Pisces & Neville ♌ Leo
50
⚡ Different wiring
Ron and Neville never fully get each other, and somehow that's the whole charm.

Who's Who, Officially

Everyone's signature superlative, plus where they actually land in the crew: their role, their chemistry with the group, and who they click with most.

♌
Harry Leo
🐶 Human Golden Retriever
pure joy, zero object permanence
★ The Anchor Group chemistry 64/100 · closest with Ginny Leo
The performer of the zodiac. Fire · Fixed · ruled by Sun. Today's Leo horoscope
♍
Hermione Virgo
🧺 The Mom Friend
has Advil, a phone charger, and your whole life handled
Group chemistry 57/100 · closest with Ron Pisces
The analyst of the zodiac. Earth · Mutable · ruled by Mercury. Today's Virgo horoscope
♓
Ron Pisces
💘 Hopeless Romantic
already named your future dog on date one
★ The Free Spirit Group chemistry 54/100 · closest with Hermione Virgo
The mystic of the zodiac. Water · Mutable · ruled by Neptune. Today's Pisces horoscope
♌
Ginny Leo
🎉 Life of the Party
arrives late, leaves last, remembers nothing
Group chemistry 64/100 · closest with Harry Leo
The performer of the zodiac. Fire · Fixed · ruled by Sun. Today's Leo horoscope
♌
Neville Leo
👑 Main Character
the world is a stage and you did not consent to be an extra
Group chemistry 64/100 · closest with Harry Leo
The performer of the zodiac. Fire · Fixed · ruled by Sun. Today's Leo horoscope
♒
Luna Aquarius
🎲 The Wildcard
'let's just book the flight' incarnate
Group chemistry 59/100 · closest with Harry Leo
The visionary of the zodiac. Air · Fixed · ruled by Uranus. Today's Aquarius horoscope

Signs follow each character's canon or established birthdays where they exist, and fan-consensus personality reads otherwise. Harry Potter and its characters are the property of their respective owners; this is unofficial, for-fun commentary.

Now do your own crew

Add your real friends and get your group's chemistry score, constellation, and superlatives.

Build your friend group ✨

More Famous Friend Group Star Maps

Friends: Star Signs & Group Chemistry

How well do Central Perk's six actually mesh?

The Office: Star Signs & Group Chemistry

The most dysfunctional found-family in Scranton, scored.

Stranger Things: Star Signs & Group Chemistry

The Hawkins party, scored as a friend group.

Parks and Recreation: Star Signs & Group Chemistry

The most earnest workplace family in Pawnee, scored.

Brooklyn Nine-Nine: Star Signs & Group Chemistry

The 99th precinct, scored as a found family.

Sex and the City: Star Signs & Group Chemistry

The Manhattan four, scored over brunch.

How I Met Your Mother: Star Signs & Group Chemistry

MacLaren's booth regulars, scored.

The Golden Girls: Star Signs & Group Chemistry

The Miami four, scored over cheesecake.

New Girl: Star Signs & Group Chemistry

The loft crew, scored.

Seinfeld: Star Signs & Group Chemistry

The show-about-nothing four, scored.

Game of Thrones: Star Signs & Group Chemistry

Westeros's biggest players, scored as a group.

Star Trek TNG: Star Signs & Crew Chemistry

The Enterprise-D bridge crew, scored.

Disney Princesses: Star Signs & Group Chemistry

All twelve, one for every sign of the zodiac.