Astrology Guide

What is Astrology?

Astrology is a traditional interpretive approach that addresses the astronomical positions of celestial bodies at a specific time and location through symbolic meaning systems developed throughout history. Birth charts and other astrological charts are created by evaluating planets, signs, houses, aspects, and primary axes together.

Astronomical positions on a chart are mathematically calculable data; the character, life themes, or periodic meanings assigned to these positions belong to the symbolic interpretation layer of astrology. Astrology is not a scientifically validated personality test, diagnostic method, or definitive future prediction system.

Astrological chart in brief
Time & Location + Celestial Bodies + Signs & Houses + Aspects + Symbolic Interpretation

The core language of an astrological chart

An astrological chart consists of more than just a single zodiac sign. The meaning layer of a chart is created by considering which signs and houses the planets occupy, what aspects they form with each other, and how they relate to the primary axes of the chart.

Planets

Primary indicators representing functions, drives, and distinct areas of experience in astrological symbolism.

Signs

Define the symbolic quality through which planetary indicators express themselves across the 12 divisions of the ecliptic.

Houses

Divisions calculated according to birth time and location that connect chart indicators to specific life areas.

Aspects

Angular distances between planets and key chart points, expressing relationships between indicators in astrological interpretation.

What is a birth chart?

A birth chart (natal chart) is an astrological chart created for a specific moment based on a person's birth date, time, and geographic location. The ecliptic longitudes of the Sun, Moon, and planets are displayed alongside time- and location-sensitive values such as the ascendant, midheaven, and house cusps.

The accuracy of birth time is particularly crucial for the ASC, MC, and house cusps. A shift in time affects the chart's axes and house placements far more than the planetary positions in signs. Therefore, the reliability of the birth time used in time-sensitive analyses should be given careful consideration.

ASC – DSC Axis
The horizon axis connecting the ascendant and descendant points. Associated with selfhood, outward orientation, and relational encounters in astrological interpretation.
MC – IC Axis
The meridian axis connecting the midheaven and imum coeli points. Associated with direction, public visibility, roots, and private life in astrological interpretation.

Common uses of astrological charts

Various chart and timing techniques are utilized in astrology. Each must be evaluated within its own calculation and interpretation rules.

Natal chart analysis

Enables the examination of planetary, sign, house, aspect, and axial placements at birth within the framework of astrological symbolism.

Transits and periodic indicators

Planetary positions for a given date can be compared to a natal chart. Transits are not definitive event predictors, but indicators of periodic themes according to astrological methods.

Progression and direction techniques

Secondary progression, Solar Arc, and similar techniques are astrological methods that model a chart's temporal development using distinct mathematical rules.

Relationship and comparison charts

Aspects and placements between two charts can be compared using methods like synastry; the results do not provide definitive judgments on relationship success or future.

Solar returns and annual charts

Charts cast for specific astronomical moments, such as the Sun's annual return to its natal position, are used to examine symbolic themes for the corresponding year.

Eclipses and celestial events

Solar and lunar eclipses, retrograde movements, and major sky transits can be calculated with precise astronomical timing; their astrological meanings depend on the interpretive approach used.

What information is essential for calculating a chart?

Seemingly small data discrepancies in astrological calculations can alter time-sensitive indicators, especially house cusps and axes.

✓Date: Determines the exact day for calculating planetary and celestial positions.
✓Time: Critical for calculating the ascendant, MC, and house cusps accurately.
✓Location: Latitude and longitude affect chart values dependent on local horizon and meridian systems.
✓Time zone: Historical UTC/GMT offsets and daylight saving time rules are considered to convert local time to accurate Universal Time.
✓House system: Placidus and other house systems calculate house cusps using different mathematical methods.
✓Orb and aspect settings: The allowable tolerance for active aspects may vary according to the astrological method or software configuration.

Astronomical data vs. astrological interpretation

Calculable layer

Planetary positions, angular distances, house cusps, ascendant, MC, retrograde states, and exact timing of celestial events can all be calculated using astronomical and mathematical data.

Symbolic layer

Personality, relationship, periodic, or life themes attributed to these calculated positions belong to the interpretive frameworks of astrological traditions and schools. The same indicator may be evaluated with different emphasis in different schools.

What does Numji do in astrology?

Numji is a digital workspace that standardizes astrological calculations based on date, time, and location data. It aims to calculate and clearly present information such as natal charts, planetary and house positions, primary axes, aspects, retrograde statuses, and time-based astrological indicators. By separating calculated technical data from symbolic astrological explanations, it provides users with a transparent framework.

Conclusion

Astrology is a historical and traditional interpretive approach that addresses sky positions within a symbolic meaning system. While astronomical chart data can be mathematically calculated, astrological meanings derived from this data should not be considered scientifically validated personality assessments or event predictions.

When this distinction is maintained, astrological charts can serve as a structured reference framework for education, research, personal awareness, and symbolic study.

Astrology = Astronomical Positions + Chart Geometry + Astrological Symbolism + Interpretation