Astrocartography Symbols and Glyphs: Reading Every Mark on Your Map

Blue is the Moon on my own maps. I picked that color years ago and never moved it. Now I read a chart by color before I read a single glyph. The first Calgary screenshot I recorded had Mars and Neptune running close over the city. From across the room I knew which was which.

I am Grigor. Fifteen years of astrology sit behind this page, and most of the recent ones went into astrocartography specifically. The astrocartography symbols on your chart are the part people abandon first. Meanings are not the hard part. Nobody hands you the key, though.

So this page is the key. Planet glyphs first, then the angle letters. Colors after that, plus line shapes and the marks that are not lines. The wider framework sits on the astrocartography pillar.

Why an Astrocartography Map Needs a Key

Almost everyone who writes to me has already pulled a free chart somewhere. Astro-seek and astro.com are the usual two. They have the picture and cannot read it.

That gap is what free tools leave behind. They give you the lines. What they do not give you is the meaning, and most never explain their own notation. More on that over on the free chart page.

A finished map carries two layers. Underneath sits an ordinary world map. On top sits a code. Every mark in that code answers one of three questions. Which planet drew this line. What angle it belongs to. How close your city sits to it.

Learn those three questions and the map stops being wall decoration. I have watched people go from lost to reading their own chart inside twenty minutes. Twenty minutes, once somebody hands them the key.

The Planet Glyphs You Will See on Every Map

Astrology has used these glyphs for centuries. Astrocartography inherited them without changing a thing. So the Venus symbol on your birth chart is the same one on your world map.

Ten planets appear on a standard astrocartography map. Some programs add Chiron, the lunar nodes and Lilith. Others leave those off entirely.

Sun, Moon and Mercury

A circle with a dot at the center is the Sun. Oldest glyph in the set, and still the easiest to spot. People ask about the sun line astrocartography symbols more than any other single mark.

The Moon is a crescent, tipped either way depending on the font. Home, family, the body’s sense of belonging. My own Moon lines run through Almaty, my birthplace. Another Moon line runs through Calgary, where I moved at 24. Opposite angles, opposite sides of the world, same crescent.

Mercury is a circle with a cross below and two small horns on top. Learning and libraries and short trips belong to this one.

Venus, Mars and Jupiter

Venus is a circle sitting on a cross. Everybody recognizes this one already. A venus line astrocartography symbol search usually comes from somebody hunting a soulmate line.

I spent a year testing barber shops on my Venus line in Calgary. Always booked. Seven months of trying before one appointment came through. Best haircut of my life. Full story on the Venus line page.

Mars is also a circle, with an arrow pushing out toward the upper right. Energy, conflict, metal, machines. My favorite mechanic works near the Calgary airport, right where my Mars and Jupiter lines cross.

Jupiter looks like the numeral 4 drawn without lifting the pen. Some fonts render it as a stylized letter with a crossbar. The jupiter line astrocartography symbol marks expansion and luck. I got engaged in Istanbul, which sits on my Jupiter IC line.

Saturn, Uranus, Neptune and Pluto

Saturn resembles a lowercase h with a crossbar through the stem. Structure and discipline and the slow build. More on that planet over on the Saturn line page.

Uranus carries two competing glyphs, which trips people up constantly. One version is a circle topped by a stem and an arrow. The other is Herschel’s monogram, reading almost like a capital H. My Uranus line runs straight through Calgary International Airport, and Uranus rules aviation.

Neptune is a trident. Sleep, dreams, meditation, the softer edges of a life.

Pluto is where programs diverge most. Some draw a P and an L joined into one figure. Others draw a small circle above a crescent, all of it inside a cross. Both still mean the same planet. I lost a coffee shop on my Pluto line in East Village, so I recognize either version instantly.

Chiron, the Lunar Nodes and Lilith

Chiron looks like a key. A capital K with a small circle hanging off the base. Wounded healer, in the standard reading.

The North Node glyph resembles a pair of headphones. Flip it upside down and you have the South Node. One points where you are headed, the other at what already feels familiar.

Lilith is a crescent resting on a cross. Not every program plots it, so check your settings first.

The Four Angle Letters Beside Each Glyph

A glyph names the planet. Letters beside it name the angle, and the angle shifts the meaning further than most beginners expect.

Astrodienst shortens planets to two letters and pairs them with the angle. SU-MC, VE-AS, JU-IC. Other programs spell the words out in full. Four angles sit underneath every notation system.

AC, the Ascendant Line

AS or AC marks the Ascendant. Body, appearance, first impressions. These are places where people meet a sharper version of whichever planet you are standing on.

IC, the Imum Coeli Line

IC sits at the bottom of the chart. Home, roots, family, the private floor nobody photographs. Saturn near my Calgary IC has kept that description accurate for nine years now.

DC, the Descendant Line

DS or DC marks the Descendant, directly opposite the Ascendant. Partnership territory. An astrocartography dc line describes who you attract in a location rather than who you become there. Relationships formed on these lines carry the flavor of whichever planet drew them.

MC, the Midheaven Line

MC is the Midheaven, the top of the chart. Career, reputation, public image. Anybody weighing a professional move should find this angle first. Full angle mechanics live on the AC, DC, MC and IC page.

Line Shape Tells You the Angle

Nobody taught me this one. I worked it out by staring at maps, and it is the fastest shortcut here.

MC and IC lines run straight up and down. They follow meridians, so they look like clean vertical strokes. AC and DC lines curve instead. They wander across the map like rivers, sometimes doubling back near the poles.

So the shape answers half the question before you decode a letter. Straight vertical stroke means Midheaven or Imum Coeli. A curved wandering line means Ascendant or Descendant. Anything horizontal running east to west is not a planetary line at all.

Line Colors and the Legend Problem

Here is where software makes things harder than they need to be. Color assignments are not standardized anywhere, though.

A blue line astrocartography search turns up a dozen confident answers online. All of them can be right, on different programs. Astro.com uses one palette. Astro-seek uses another. Phone apps invent their own.

Same trouble with the red line astrocartography question. Red is Mars on many maps. Elsewhere it belongs to the Sun, or to whichever line the software drew first.

My rule is short. Read the legend printed on your own chart before trusting any color meaning you found online. A chart with no legend is still an incomplete chart.

I standardized my own palette years ago and never touched it since. Blue for the Moon. Warmer colors for the personal planets, cooler ones for the outer planets. Color coding beats a numbered key every time. That is why every map I print carries its color legend along the edge.

Crossings, Parans and Marks That Are Not Lines

An astrocartography cross and line question usually arrives from somebody who spotted an X on their map. Two planetary lines meeting over one city. Crossings like that are the most concentrated points on a chart, and I read them first.

Parans are the horizontal ones. Two planets hit angles at the same moment along a band of latitude. The program then draws a line east to west. My coach taught one case of a person who died on a Pluto and Uranus intersection. He suggested avoiding those crossings. I pass that along as information rather than as a warning. Fuller treatment on the paran lines page.

Midpoints appear on almost no charts at all. The space between two lines still carries something, though. My current home sits between my Sun line and my Jupiter line.

The P Symbol and Other Program Quirks

A letter P beside a glyph confuses more readers than any other mark. There is no universal answer, unfortunately. Some programs use P for a progressed position. Others use it as shorthand for Pluto.

Dashed lines run the same way. One program dashes the outer planets. Another dashes anything it scores as weak. Your own legend settles the question. Nothing you read on a forum will.

How to Read Astrocartography Symbols in Order

I work through a map the same way every time, and the order matters more than the speed.

Find your city first. Look for glyphs within roughly 300 miles of it, since that is the working orb most astrologers use. Identify the planet from its glyph. Read the angle letters next.

Then comes the step almost everybody skips. Calibration. Pull up three locations where something significant happened in your life. A move, a new job, a relationship that mattered. Check which lines were running through them.

Your own history teaches you what each planet means for you specifically. No textbook can do that part. The full step-by-step process lives on how to read your astrocartography map.

Astrocartography Chart Interpretation, Layer by Layer

Astrocartography interpretation goes wrong in one predictable way. People read a single glyph and stop there.

Any location is a stack rather than a single mark. Start with the strongest line nearest you. Add whatever crosses it, then the angle letters. Then weigh all of it against your natal chart. A difficult natal Saturn behaves differently from an easy one.

My own map gives a clean example. Two planets sit close together near Calgary, and the pairing reads nothing like either line alone.

Astrocartography chart interpretation is relative too. Nobody has a map free of challenging lines. So the question is never whether a place is good. Some places ask more of you than others, and the real question is whether you want to pay it.

Planet by planet meanings get their full treatment on the line meanings page.

What the Symbols Cannot Tell You

Timing. That is the largest blind spot in the whole system. Your lines never move, so no mark on the map tells you when something arrives.

The glyphs do not rank themselves either. No planet outranks another by default. Strength comes out of your natal chart, and a free calculator cannot see that layer.

Symbols also cannot repair a rounded birth time. Planets move about one degree every four minutes. Ten minutes of error shifts a line by a few hundred kilometers. A birth time of around 3pm gives you a direction rather than a destination.

One more thing worth saying plainly. No certifying body exists in astrocartography. The field is small and young, and Jim Lewis only worked the method out in 1979. Anyone advertising a certification is selling a badge that nobody issues.

How I Print the Key on My Own Maps

Everything above assumes you can actually see the marks. Screen resolution is where most free charts fall apart. Lines pile up over Europe. Glyphs overlap each other. The key sits in a corner at six point type.

I develop and print every map myself. The legend runs along the edge at a size you can read from a chair. Color does most of the work, so your palette becomes second nature within a week of hanging it.

Printed maps run $269 for a single 24 by 36 inch print. The digital set is $179. An all-in-one bundle with local, global and domestic maps together is $449. Custom written reports are a side service, written by hand rather than assembled from templates.

Frequently Asked Questions

What do the symbols on an astrocartography map mean?

Each symbol names a planet, and the letters beside it name an angle. Together they tell you which planetary energy runs through a location and how it expresses there. Anything you already recognize on a birth chart carries over unchanged.

What is an astrocartography key?

The astrocartography key is the legend printed alongside your map. It pairs each glyph and color with the planet it stands for. Free charts often bury the key or leave it off. That is why so many people cannot read their own map.

What does a blue line mean in astrocartography?

Depends entirely on the software. On my own printed maps blue is always the Moon. Astro.com and astro-seek assign it differently. Read your own legend and ignore any answer online that does not name the program it came from.

What does a red line mean on an astrocartography map?

Red is Mars on most palettes, which fits the traditional association. Some programs assign red to the Sun instead. A few cycle through colors in drawing order with no symbolism at all.

What is the DC line in astrocartography?

DC marks your Descendant, the angle opposite your Ascendant. It also governs partnership and the people you attract. A planet on your DC line colors the relationships that form in that location. Venus there reads very differently from Saturn there.

Is there a standard astrocartography legend?

There is no standard. Glyph shapes are consistent across the field, since astrology settled those centuries ago. Colors, line weights, dashes and abbreviations vary by program. So a legend from one tool cannot be applied to a chart from another.

What does the P symbol mean on a chart?

No cross-program standard covers it. Some tools use P for a progressed planet, which is a different calculation from a natal line. Others use P as the Pluto abbreviation. Check the documentation for whichever tool you used.

Which glyph marks the Venus line?

A circle sitting on top of a small cross. Same glyph used everywhere in astrology, including your birth chart. On a world map it appears wherever that line crosses, usually with AS, DS, MC or IC printed beside it.

How do I spot the Jupiter line symbol?

Look for the shape of a numeral 4 drawn in a single stroke. One of the more distinctive glyphs on a crowded map. Some fonts stylize it heavily, so check it against your legend the first few times.

What does the Sun line symbol look like?

A circle with a single dot at its center. Simplest glyph in astrology, and usually the first one people learn to spot. Sun lines carry vitality and visibility, and the MC version shows up constantly in career questions.

Do I need a certification to interpret my own chart?

There is no certification to get. Astrocartography has no licensing body and no accrediting organization. The field is too small and too new for one. I learned by reading every published book on the subject. Then I tested the lines against my own life for fifteen years. That path is open to anyone.

Which house is most powerful?

The angular houses. Those cusps are the angles your map plots. A planet there hits hardest.

Where should I live based on my birthday?

A birthday cannot place you. Birth time decides where the lines fall. Read the glyphs over cities you want.

The Key Is the Cheapest Part of the Map

Symbols are the easy half, though. An afternoon with this page and your own chart will get you most of the way there.

The hard half is what comes after. Knowing that Saturn runs through your city is a fact. Deciding what to do about it is a different kind of work, and no legend covers that part of the journey.

I still catch myself checking colors before glyphs. Old habit. Blue means Moon, and I have never found a reason to change it.