Degrees in a Birth Chart: Read the Numbers Clearly
Updated
A sign is a range, and a degree is a position
The zodiac is a 360-degree circle divided into twelve 30-degree signs. A position written as 12 degrees Taurus is twelve degrees into Taurus. At 30 degrees Taurus, the position becomes zero degrees Gemini. The whole circle can also be expressed from zero degrees Aries, but most chart lists restart the degree count in each sign.
A sign tells you the broad placement. Its degree lets you compare positions more closely. Two planets sharing a sign are not necessarily close together: one can be near the beginning and another near the end.
Read minutes as parts of a degree
One degree contains 60 arcminutes. So 12°30′ Taurus means twelve and a half degrees into Taurus. It does not mean a birth at 12:30 or a planet that moved for thirty clock minutes. If seconds are shown, each arcminute contains 60 arcseconds.
Small notation differences can look larger than they are. A position at 12°59′ is only two arcminutes away from 13°01′. Do not subtract the displayed degree numbers and ignore the minutes. First read the entire position.
Worked example: close across a sign boundary
Illustration of an angle only: Mars at 29 degrees Aries and Venus at 1 degree Taurus are 2 degrees apart across the sign boundary. A calculator allowing a 2-degree conjunction orb can list them as conjunct even though they occupy different signs.
Read Mars in Aries and Venus in Taurus separately, then consider the aspect. Assertion and preference are connected closely, while the signs retain different styles. By comparison, two planets at 1 and 29 degrees of Aries are 28 degrees apart, so sharing Aries alone would not make them a close conjunction.
Use degrees to understand an aspect orb
An orb is the gap between the actual angle and an exact recognised angle. If two positions are 118 degrees apart, they are 2 degrees from an exact 120-degree trine. A 92-degree separation is 2 degrees from an exact square.
Calculators differ in how wide an orb they allow. A planet pair appearing as an aspect in one list and not another may reflect those settings. Before interpreting a missing line as meaningful, check the angle, included bodies and orb rules.
Early and late degrees do not give you two signs
A position near the beginning or end of a sign still belongs to the sign containing it. A Sun just inside Taurus is a Taurus Sun under the selected zodiac; it is not half Aries because it is near the boundary. The precise time can matter when the position crosses that boundary during the possible birth window.
Astrologers have several additional systems for interpreting particular degrees, including decans and symbolic degree meanings. They are separate conventions, not one universally agreed code. A late degree does not by itself establish crisis, maturity or a future event.
More decimal places do not create better evidence
A chart can print a position very precisely even when the entered birth time is an estimate. Angles and house boundaries are particularly time-sensitive. If the source time could move a placement across a boundary, keep that uncertainty visible in your notes.
Use the number first for the task it can clearly support: locating a placement, checking a boundary or measuring an aspect. Then explore symbolic interpretations if they help your reflection. The birth-time and aspects guides explain how to keep those tasks separate.