Astrocartography vs. Relocation Chart: What's the Difference?
When exploring how location affects your astrological profile, you'll encounter two main techniques: astrocartography and relocation charts. While related, they serve different purposes and offer different insights. Understanding both helps you make more informed location decisions.
What Is Astrocartography?
Astrocartography (also called astrocartography or ACG) is a mapping technique that projects your birth chart onto the entire world map at once. It shows lines across the globe representing where each planet was at a key angle (Ascendant, Midheaven, Descendant, or IC) at your exact moment of birth.
Strengths of astrocartography:
- See the entire world at a glance
- Quickly identify favorable regions and cities
- Compare multiple locations simultaneously
- Spot powerful line crossings and clusters
- Intuitive, visual format
Limitations:
- Shows only angular positions (ASC, MC, DSC, IC)
- Doesn't show house placements or aspects in detail
- Gives a broad overview rather than nuanced local picture
What Is a Relocation Chart?
A relocation chart (also called a relocated birth chart) recalculates your birth chart as if you were born at a different location at the same moment in time. It keeps your planetary positions in zodiac signs identical but changes the house cusps based on the new location.
Strengths of relocation charts:
- Detailed house placement analysis for a specific city
- Shows how all 12 houses shift, not just the angles
- Reveals subtle aspects between planets and new house cusps
- Provides nuanced understanding of one specific location
Limitations:
- Only analyzes one location at a time
- Requires astrological knowledge to interpret
- More time-consuming than scanning an astrocartography map
How They Work Together
Think of astrocartography as your wide-angle lens and relocation charts as your zoom lens.
Step 1: Use Astrocartography to Survey
Start with your astrocartography map to identify promising regions. Look for:
- Beneficial planetary lines (Jupiter, Venus, Sun)
- Favorable angles (MC for career, DSC for love, IC for home)
- Interesting line crossings
- Clusters of positive lines
Step 2: Use Relocation Charts to Dive Deep
Once you've identified 2-3 promising locations, cast a relocation chart for each one. Examine:
- Which planets land in which houses?
- Are there beneficial planets in angular houses (1st, 4th, 7th, 10th)?
- How do the house shifts affect your overall chart balance?
- Are there any problematic placements to be aware of?
A Practical Example
Imagine your astrocartography map shows your Jupiter MC line passing through Barcelona, Spain. This tells you that Jupiter's expansive, fortunate energy is connected to your career and public life in Barcelona.
Now, casting a relocation chart for Barcelona might reveal additional details:
- Jupiter might fall in your 10th house (confirming the career boost) but also form a square to your natal Saturn
- Your Venus might shift into the 7th house, suggesting improved romantic prospects
- Mars might move to the 6th house, boosting your work ethic and daily routine
The relocation chart adds layers of nuance that astrocartography alone can't show.
Which Should You Use?
| Scenario | Best Tool |
|---|---|
| Exploring where to travel next | Astrocartography |
| Narrowing down relocation options | Astrocartography |
| Deep analysis of a specific city | Relocation chart |
| Understanding why you loved/hated a place | Both |
| Career-focused location planning | Start with ACG, verify with relocation |
| Finding love in a new city | Start with ACG, verify with relocation |
Common Misconceptions
"My relocation chart replaces my birth chart."
No. Your natal birth chart is always your primary chart. A relocation chart shows how a location's energy overlays onto your natal chart. Both remain relevant.
"If a line doesn't pass through a city, there's no astrological influence."
Not true. Even locations without nearby lines have a relocation chart with potentially interesting features. Astrocartography highlights the strongest influences, but every place on Earth has some relationship to your chart.
"Astrocartography is more accurate than relocation charts."
They measure different things. Astrocartography is better for broad surveying; relocation charts are better for detailed analysis. Neither is "more accurate" — they're complementary tools.
Getting Started
StarMapper's free astrocartography calculator is the perfect starting point. Generate your map, explore your planetary lines across the globe, and identify the locations that call to you. Once you've narrowed your options, consider working with an astrologer to review relocation charts for your top choices.
The stars don't dictate where you must live — but they can illuminate places where your energy naturally flows more freely.