Quick answer: classical astrology judges a chart in an order. Establish sect first, then find the significator of the matter, then read its essential dignity, then its accidental condition, then the aspects and receptions reaching it. Testimonies are WEIGHED against each other, not counted.
How to read your birth chart sets out what a placement means. This is the layer above it: what you look at first, what you look at next, and what happens when two things in the same chart say opposite things. Without an order, a chart will support almost any conclusion you bring to it, which is the single most common failure in amateur reading and the reason the classical authors were so insistent about procedure.
Why order is the whole method
A birth chart contains hundreds of statements. Ten bodies, twelve houses, five major aspects, five dignity tiers, plus the angles. Any position you want to defend has some testimony in its favour somewhere in there.
The classical answer to that problem is not more rules; it is a sequence. Each step constrains what the next step is allowed to mean. By the time you reach the aspects, you already know whose aspects matter, which is what stops the reading from becoming a search for confirmation.
The order
1. Sect. Was this a day birth or a night one? Sect decides which of the two benefics and which of the two malefics is better behaved, and the same placement genuinely means different things under it. Establishing this first is not a preliminary; it changes the value of nearly everything that follows.
2. The significator. What is the chart being asked about? The matter has a house, the house has a ruler, and that ruler is what you are actually reading. For the person themselves it is the ruler of the Ascendant. Skipping this step is how a reading ends up describing a planet that has nothing to do with the question.
3. Essential dignity. Is the significator in a sign that supports it? Domicile, exaltation, triplicity, term, face, or none of them, plus detriment and fall. This says how the planet is equipped, and the glossary entry sets out the five-step scale.
4. Accidental condition. Is it angular or cadent, fast or slow, direct or retrograde, free of the Sun's beams or combust? A planet can be dignified by sign and still be buried in the twelfth house moving slowly under the beams. Essential dignity says what it is; accidental condition says whether it can act.
5. Aspects and reception. Who is helping and who is obstructing, and crucially in which direction: an applying aspect is the live one and a separating aspect is background. Reception matters as much as aspect, because a malefic that receives your significator behaves very differently from one that does not.
Weighing, not counting
This is where most modern reading goes wrong, and the classical texts are explicit about it. A tally of three good testimonies against two bad ones is not a judgement. The testimonies are not equal in weight, and their weight depends on where they sit in the order above.
A significator in its own sign, angular and unafflicted, is not outvoted by two minor squares. A peregrine significator in the twelfth, combust and retrograde, is not rescued by a trine from a benefic that does not receive it. The first is a strong planet with some friction; the second is a weak planet with a well-wisher.
The general rule the older authors keep returning to is that condition beats contact. What a planet IS constrains what any aspect to it can do. That is why the sequence puts dignity and accidental condition before the aspects rather than after them.
When testimonies genuinely conflict
They often do, and the honest answer is that the conflict is usually the finding rather than a problem to be resolved. A chart with a dignified but afflicted significator is describing a real situation: capability under pressure. Flattening that into a verdict throws away the information.
Where a decision is required, classical practice looks for the testimony that is repeated. One indication is an observation; the same thing said three different ways by three unrelated parts of the chart is a judgement. This is why techniques like the almuten and the dominant planet exist: they are formal ways of asking what the chart keeps saying.
The honest limit
Authors differ on this order. Some put the significator before sect, some fold accidental condition into the dignity step, and the horary tradition runs a stricter version than the natal one. What is set out above is a defensible synthesis rather than the one true sequence, and anyone who tells you the order is settled has not read widely enough.
What is not in dispute is that there IS an order, and that reading without one is not a lighter version of the method but a different activity. The whole point of the sequence is to make the chart able to say no to you.
Frequently Asked Questions
What should I look at first in a birth chart?
Whether it is a day or night chart. Sect changes which benefic and which malefic is better placed, so it alters the value of nearly every judgement that follows. After that, find the significator of whatever you are asking about.
How do you decide when two parts of a chart disagree?
By weight rather than by count. A planet's own condition, its dignity and whether it is angular and free of the beams, constrains what any aspect to it can do. Where a decision is needed, classical practice looks for the testimony that is repeated in unrelated parts of the chart.
Is there one correct order of judgement?
No. Authors differ, and horary practice is stricter than natal. What they agree on is that an order exists and that reading without one lets a chart support whatever conclusion you brought with you.