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Astrocartography

What is astrocartography? Your birth chart on a world map

Astrocartography draws your birth chart across a map of the world. How the lines are made, what they mean, and how people use them for moves and travel.

3 min readUpdated 1 November 2026By the Stellune team

Astrocartography takes your birth chart and stretches it across the globe. Instead of one circle showing the sky above your birthplace, you get a map of the world crossed by coloured lines, each showing where a planet was rising, setting, overhead or underfoot at the moment you were born.

The idea is simple: the same birth moment looks different from different places on Earth, so different places may bring out different sides of you.

Where it came from

Astrocartography was developed in the 1970s by the American astrologer Jim Lewis, who used early computers to plot planetary lines on world maps. Before computers, the maths was too slow to do for one person, let alone thousands. Today a map takes a fraction of a second.

How the lines are made

At the moment you were born, every planet was in a particular place in the sky. Somewhere on Earth, each one was:

  • rising on the eastern horizon (the AC or ascendant line),
  • setting on the western horizon (the DC or descendant line),
  • directly overhead, at its highest point (the MC or midheaven line),
  • directly underfoot, at its lowest point (the IC line).

Join up all the places where, say, Venus was rising, and you get the Venus AC line. Ten planets, four lines each: forty lines in all.

The MC and IC lines run straight from pole to pole. The rising and setting lines curve, because the horizon tilts as you move north or south.

What each kind of line means

Line Area of life it colours
Rising (AC) You: how you come across, your energy, fresh starts
Overhead (MC) Career, reputation, how the world sees you
Setting (DC) Partners, close relationships, the people you meet
Underfoot (IC) Home, family, roots and feeling settled

The planet tells you what kind of energy it is. Venus is love and ease, Jupiter is growth and opportunity, Saturn is discipline and long-term building, and so on. So a Venus line on the setting position tends to be described as a love line, and a Jupiter line overhead as a good place for career growth.

How close is close enough?

A line isn’t a knife edge. Most astrologers read a line as strong within roughly 300 km, noticeable out to about 600 to 900 km, and fading beyond that. A city a few hundred kilometres from a line still feels its influence, just more gently.

What people use it for

  • Choosing where to move, or making sense of why one city felt so different from another.
  • Planning travel, for example picking somewhere near a Venus or Jupiter line for a holiday.
  • Understanding the past. Many people look at their map and recognise the place where everything went well, or the one where life felt heavy.

That last use is often the most convincing. Before trusting a map about the future, check it against places you already know.

What it can’t do

A map can’t promise that a move will work out, and no line makes a place lucky or unlucky by itself. Jobs, people, money and timing matter far more than any line. We treat astrocartography as one more way to reflect on a decision, never as the reason to make it.

Questions people ask

What do I need for an astrocartography map?

Your date, time and place of birth. The time matters a lot: every four minutes of error moves the lines about one degree, or roughly 100 km at the equator.

What is the best astrocartography line?

It depends what you want. Venus and Jupiter lines are usually described as the easiest, but a Saturn line can be a good place to build a serious career, and a Moon line a good place to make a home.

Is astrocartography the same as a relocation chart?

They’re related. Astrocartography shows lines for the whole world at once. A relocation chart redraws your birth chart for one new city, so you can see how your houses would shift there.

Do the lines change over time?

Your birth lines never change. The planets keep moving in the sky, but your map is fixed to your birth moment.

Astrology here is for reflection and self-understanding. It doesn't predict events, and it isn't medical, legal or financial advice.