Reference · The Chart
How to Read Your Human Design Chart
A Human Design chart — the BodyGraph — is a single diagram that the system reads in a fixed order, layer by layer. This page is a map of that order for someone opening a chart for the first time: what the system needs to calculate one, where to generate one, and the sequence it reads the result in, with each step pointing to the reference page that documents it. It takes no position on whether the system is true; it sets out the order the system itself uses and where to read more.
What you need first
A chart is calculated, not filled in. Before anything can be read, the system needs three pieces of birth data:
- Date of birth — the calendar day.
- Exact time of birth — to the minute, ideally from a birth record.
- Place of birth — the town or city, which fixes the time zone and coordinates.
Why the exact time matters. The BodyGraph is generated from the positions of the sun, moon, nodes, and planets at the birth moment and at a second "design" point roughly three months earlier. Those positions move continuously, so a shift of a few minutes can change which gates and lines are active — and, at the boundaries, the type, authority, or profile the chart reports. The system holds that without an accurate time its finer calculations cannot be relied upon. What can and cannot be read when the time is unknown or approximate is documented separately in Human Design without a birth time.
Where to generate a chart
Any Human Design calculator turns those three inputs into a BodyGraph. A free chart from a reputable source is enough to follow this page — the system's originating organisation, Jovian Archive, publishes one, and several other sites offer free charts as well. This archive documents the system rather than selling readings, so it endorses no paid product; a free chart is all that the reading order below requires.
The order the system reads a chart in
What follows is the sequence the Human Design System uses to read a BodyGraph — from the single headline figure most introductions start with down to the finest activations. Each step links the reference page in this archive that documents that layer in the system's own terms.
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Type
The first thing the system asks you to read. Your type — Generator, Manifesting Generator, Manifestor, Projector, or Reflector — is derived from which of the nine centers are defined and how they connect. Almost every introduction to Human Design begins here.
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Strategy
Strategy is not a separate layer but the rule the system attaches to each type — a way of engaging that the system says follows from the aura the type describes. It is read together with type, and is documented on the same reference page.
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Authority
Where strategy is tied to type, authority is read from your defined centers — the system's account of which part of the chart it treats as the deciding one. Type and authority together are what the system calls a chart's "decision-making" layer.
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Profile
Profile is a pair of numbers (for example 1/3 or 5/1) drawn from the lines of two positions in the calculation. The system reads it as a description of a person's role or "costume." It sits alongside type as one of the chart's headline figures.
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Centers, defined and undefined
The nine centers are the coloured and white shapes in the BodyGraph. Which are defined (coloured) and which are open (white) is what type and authority are read from in the first place, so this is where a closer reading of the chart usually turns next.
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Gates and channels
Beneath the centers sit sixty-four gates and the channels that join them. This is the most granular layer of the BodyGraph — the individual activations the calculation produces. The gates are documented on one reference page; the channels that connect them on their own.
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Incarnation cross
The incarnation cross is built from four gate positions — two from the birth calculation and two from the "design" point roughly three months earlier — which the system reads as an overarching life theme. It is usually the last of the standard figures a reading names.
Running underneath these figures, the system offers a feedback layer of its own: a pair of feeling-states it calls the signature and the not-self theme, which it presents as signposts for whether a person is living in line with their type or against it. That framing — and the "not-self" idea in particular — is documented in the not-self reference.
One layer is younger than the rest. Type, strategy, and authority — the figures most beginners meet first — were not part of Human Design when it began circulating. They were introduced in 1997, several years into the system's American teaching. The history of that addition is documented on the types page.
“A BodyGraph is read in a fixed order — type, strategy, authority, profile, centers, gates and channels, incarnation cross — each layer a figure the calculation produces.”
What "reading" a chart is — and isn't
In the system's own framing, reading a chart means naming these figures and describing what the system says each one means — it is an act of interpretation applied to a fixed calculation, not a measurement of anything independently observed. The BodyGraph is derived from astronomical positions, but the meanings attached to each gate, channel, and centre are the system's own; they are not read off the sky. This page maps the order those meanings are applied in. It does not argue that they are correct, and nothing here is offered as guidance for making decisions.
For the fuller account — where the system came from, who transmitted it, and how its layers were assembled and added to over time — the archive's two documentary books are The Voice on Ibiza and ZENO.
Sources: the reading order and the layers it names are set out in the reference pages linked above — type and strategy, authority, profiles, centers, gates and channels, the incarnation cross, and the not-self. The 1997 introduction of type, strategy, and authority is documented from the primary record in ZENO and The Voice on Ibiza; the system's own chart definitions are published by Jovian Archive and the IHDS.