Open any birth chart and you will see a string of numbers beside every planet, something like Sun 14°23′ Leo or Moon 2°41′ Scorpio. Those numbers are the degrees in astrology, and they are the most precise part of the chart. The sign tells you the broad theme of a placement, but the degree tells you exactly where in that sign the planet sits, how close it is to another planet, and whether it is just entering a sign or about to leave it. Once you can read degrees, a chart stops looking like a wall of symbols and starts reading like a map.
The quickest way to see degrees in your own chart is to run your birth details through an ascendant and moon sign calculator. It returns your placements with their signs and degrees, so you can follow this guide against real numbers from your own chart instead of abstract examples. Keep your chart open as you read, and check each idea below against one of your own placements.
The 360-degree wheel and the 30-degree signs
A birth chart is a circle of 360 degrees, the same circle astronomers use to measure positions in the sky. The zodiac divides that circle into 12 signs of 30 degrees each, starting at 0 degrees Aries and running through Pisces, which ends at 29 degrees 59 minutes, just before the circle closes back at 0 degrees Aries. Every planet, the ascendant, and every house cusp has a position on that circle, and the degree is simply how far around the circle that point sits.
Within a single sign, degrees run from 0 to 29. A planet at 3 degrees Leo is near the start of Leo. A planet at 27 degrees Leo is near the end of Leo, close to Virgo. Two planets can share a sign and still be far apart in the chart: a planet at 1 degree Leo and a planet at 29 degrees Leo are 28 degrees apart, almost a whole sign apart, even though both are called Leo placements. That is why the degree matters as much as the sign.
There are two ways to write the same position, and charts use both. The sign-based form, such as 14°23′ Leo, says the planet is 14 degrees and 23 minutes into Leo. The absolute form, called ecliptic longitude, counts all the way around the circle from 0 degrees Aries, so 14°23′ Leo is 134°23′ in absolute terms, because Leo starts at 120 degrees and 120 plus 14 is 134. Most beginner guides use the sign-based form, and that is the form this guide uses throughout.
How to read a degree notation, piece by piece
Take the example Sun 14°23′ Leo and read it from right to left. Leo is the sign. The number before the sign, 14°, is the degree within that sign, meaning the Sun has travelled 14 full degrees into Leo. The number after the degree symbol, 23′, is the minutes of arc, written with a single prime mark. There are 60 minutes in one degree, just as there are 60 minutes in one hour, and this is a measure of angle, not of time.
Some charts add seconds of arc as well, written with a double prime mark, such as 14°23’41” Leo. There are 60 seconds in one minute of arc. Most popular charts stop at minutes, because seconds change too fast to matter for a general reading, except for the Moon and the ascendant, which move fastest. If your chart shows a decimal instead, such as Leo 14.38, that is the same position in decimal degrees: 23 minutes divided by 60 is 0.38 degrees, so 14°23′ and 14.38 mean the same place.
A worked conversion helps. Suppose your Moon is at 2°41′ Scorpio. Scorpio starts at 210 degrees around the circle, so the Moon’s absolute longitude is 212°41′. You do not need to do this arithmetic to read a chart, but knowing that the number is a real sky position, measured along the ecliptic, keeps the chart grounded in astronomy rather than guesswork.
Early degrees, late degrees, and the sign boundary
Degrees near the start of a sign are called early degrees, and degrees near the end are called late degrees. In practice, readers usually call 0 to 9 degrees early, 10 to 19 degrees middle, and 20 to 29 degrees late, though those cutoffs are a convenience, not a rule written in the sky. An early-degree planet has only just entered its sign, while a late-degree planet is about to move into the next sign.
The boundary itself is where beginners make the most mistakes. A planet at 29°58′ Aries is still in Aries, even though it is only 2 minutes from Taurus. A planet at 0°02′ Taurus is in Taurus, even though it has barely arrived. There is no rounding across a boundary: 29 degrees of one sign never becomes 0 degrees of the next in a reading, and a chart that rounds a position to the nearest whole degree can mislead you if the true position sits within half a degree of a boundary. Always check the minutes when a placement looks close to a sign change.
Traditional astrology gives special attention to the very first and very last degrees. The 29th degree is often called the anaretic degree, from a Greek word meaning fated or crisis point, and traditional writers describe it as a point of urgency or completion, as if the planet is finishing its business in that sign before moving on. The 0th degree is sometimes described in the opposite way, as a fresh start or a point of pure sign energy. These are interpretive traditions, not astronomical facts, and different schools weigh them differently. Treat them as flavour in a reading, not as a verdict on a person’s life.
So-called critical degrees are a related tradition. In some classical lists, certain degrees of certain signs, such as 0, 13, and 26 degrees of the cardinal signs, are marked as critical, meaning the planet there is said to act with extra force. Again, this is a traditional interpretive device. If you see a planet at one of these degrees in your chart, it is worth noting, but it does not override the basic reading of the sign, the house, and the aspects.
Degrees and aspects: how close is close?
Degrees do more than locate a planet in a sign. They decide the aspects, the angular relationships between planets that form the core of a chart reading. An aspect is defined by the angular distance between two points on the 360-degree circle. A conjunction is 0 degrees apart, a sextile is 60 degrees, a square is 90 degrees, a trine is 120 degrees, and an opposition is 180 degrees. Without degrees, you could not tell whether two planets are in aspect at all.
The orb is the allowed margin around an exact aspect, and it is measured in degrees. If two planets are 118 degrees apart, they are 2 degrees away from an exact trine of 120 degrees, so astrologers say the trine has an orb of 2 degrees. A tight orb, usually under 3 degrees for major aspects, is read as stronger and more obvious in the person’s life, while a wide orb of 7 or 8 degrees is read as weaker and more background. Different astrologers use different maximum orbs, and luminaries, the Sun and Moon, are often allowed wider orbs than other planets, but the principle is the same: the smaller the orb, the tighter the aspect.
Work through an example. Suppose your Sun is at 14°23′ Leo and your Moon is at 16°10′ Sagittarius. Leo starts at 120 degrees and Sagittarius starts at 240 degrees, so the Sun sits at 134°23′ and the Moon at 256°10′ in absolute terms. The distance between them is about 122 degrees, which is 2 degrees away from an exact trine of 120 degrees. That is a trine with a 2-degree orb, a close and strong aspect in traditional reading. If the Moon were at 24 degrees Sagittarius instead, the distance would be about 130 degrees, 10 degrees from a trine, and most readers would not count it as a trine at all.
This is also why two planets in the same sign are not automatically in conjunction. A planet at 2 degrees Leo and a planet at 28 degrees Leo are 26 degrees apart, far too wide for a conjunction, even though they share a sign. Conversely, planets in neighbouring signs can be in conjunction: a planet at 29 degrees Leo and a planet at 1 degree Virgo are only 2 degrees apart, so they form a tight conjunction across the sign boundary. The degree, not the sign label, decides the aspect.
Degrees and house cusps
The houses in a chart are also defined by degrees. Each house begins at a cusp, a degree of a sign, and a planet’s house depends on whether its degree falls before or after that cusp. Our guide to the houses in astrology explains the house meanings, but the mechanics are all about degrees: the ascendant is the degree of the first house cusp, and the other cusps follow from the birth time and place.
A planet sitting within a few degrees of a house cusp deserves a second look. Because house cusps move with birth time, roughly 1 degree every four minutes for the ascendant, a small time error can push a planet across a cusp and into the neighbouring house. If a planet in your chart sits within 2 or 3 degrees of a cusp, check your birth time source before settling the house reading. Our guide to how to find your birth time explains how to pin that down, and our guide to how often rising signs change explains why the cusps move as fast as they do.
The same caution applies to the ascendant itself. Your rising sign is the sign on the cusp of the first house, but its exact degree matters for timing techniques and for aspects to the ascendant. An ascendant at 1 degree Libra and an ascendant at 29 degrees Libra are both Libra rising, yet they behave differently in a reading: the first has nearly the whole sign ahead of it, while the second is about to hand over to Scorpio rising.
How fast planets move through the degrees
Each planet crosses degrees at its own speed, and that speed explains why some placements feel stable and others change quickly. The Sun moves about 1 degree per day, so it spends about 30 days in each sign. The Moon moves about 13 degrees per day, so it crosses a whole sign in roughly two and a half days. Mercury and Venus move at variable speeds, sometimes faster than the Sun and sometimes slower, and they can appear to move backwards, retrograde, from Earth’s viewpoint.
The slower planets move far more gradually. Mars takes about two years to circle the zodiac, Jupiter about 12 years, Saturn about 29 years, and the outer planets decades. That means a slow planet’s degree changes little over a person’s early life, while the Moon’s degree changes every few hours. When you read a chart, the fast-moving points, the Moon and the ascendant, are the ones most sensitive to an exact birth time, and the slow planets are the ones shared with everyone born in the same months or years.
Retrograde motion shows up in degrees too. A planet going retrograde appears to move backwards through the degrees of its sign, so its degree number decreases day by day instead of increasing. Chart software usually marks retrograde planets with an R beside the degree. A retrograde planet at 18 degrees that moves back to 15 degrees over several weeks is retracing ground it already covered, and traditional readings treat that as a period of review or reworking for that planet’s themes. The astronomy is straightforward apparent motion; the interpretation is traditional.
Common mistakes when reading degrees
The first mistake is treating the sign as the whole story and ignoring the degree. Two people with the Sun in Leo can have very different charts if one Sun is at 2 degrees Leo and the other at 28 degrees Leo, because their aspects to other planets, and their house placements, will differ. Always read the sign and the degree together.
The second mistake is confusing minutes of arc with minutes of time. A placement written as 14°23′ means 14 degrees and 23 minutes of angle, not 14 degrees at 23 minutes past the hour. The prime mark is an angle mark, and the 60-based system is shared with timekeeping only by historical convention.
The third mistake is rounding across a boundary, as described above. If a planet sits at 29°47′ of a sign, do not round it up to the next sign, and if it sits at 0°12′, do not round it back. Keep the minutes in view whenever a placement is near a boundary.
The fourth mistake is counting an aspect from the signs instead of the degrees. Two planets in signs that are trine by sign, such as Leo and Sagittarius, are only truly in trine if their degrees are close enough, within the orb you accept. Sign-based harmony is a rough guide; degree-based distance is the real test.
The fifth mistake is over-reading a single degree. Traditional degree symbolism, such as Sabian symbols, assigns a short image or phrase to each of the 360 degrees, and some readers enjoy working with them. They are a poetic layer on top of the chart, not a measurement, and they should never replace the basic reading of sign, house, and aspect.
Your step-by-step checklist
Use this checklist on your own chart, one placement at a time.
1. Find the planet’s sign and degree, for example Sun 14°23′ Leo. Note whether the degree is early, middle, or late in the sign.
2. Check the minutes. If the degree is 29 with high minutes, or 0 with low minutes, note that the planet is near a sign boundary and read the sign carefully.
3. Convert to absolute longitude only if you want to measure aspects by hand. Otherwise, let your chart software show the aspect list and check the orb beside each aspect.
4. For each major aspect, note the orb. Under 3 degrees is tight and strong in most systems. Over 6 degrees is wide and background.
5. Check the house. Find the nearest house cusp degrees and confirm whether the planet falls just before or just after a cusp, especially if your birth time is uncertain.
6. Note the planet’s speed and direction. Is it moving forward or retrograde, and is it a fast point like the Moon or a slow planet like Saturn? That tells you how much weight to give small degree differences.
Once you can work through those six steps for the Sun, the Moon, and the ascendant, you can read any placement in the chart the same way. The degrees are the fine print of astrology, and learning to read them is what turns a list of signs into a real chart. A free astrology chart report will show you all of your placements with degrees, aspects, and houses in one place, which makes a good practice sheet for this checklist.
About the author
Saba writes for ZodiaScope, where she covers birth charts, rising signs, and the astronomy behind astrology. Her guides explain what each chart placement can and cannot tell you, so readers can use their charts with confidence and without overclaiming.
Published: October 31, 2026. Last updated: October 31, 2026.