The Aster field guide
Learn how to read
your birth chart.
Direct answers, grounded examples, and a clear path from what a placement means to why it matters in your life.
Find your next question
12 guides to explore01Begin here
Birth Chart Fundamentals
Your chart is more than your zodiac sign
A practical introduction to planets, angles, houses, and the relationships between them.6 min read↗
02Framework
Planets & Houses
How planets and houses work together
Learn how planets, signs, houses, rulers, and aspects work together — and why birth time matters before interpreting any house placement.6 min read↗
03Essential
Birth Chart Fundamentals
No birth time? What your chart can still show
Which placements may remain available, which ones should disappear, and how a careful tool handles uncertainty.6 min read↗
04Guide
Birth Chart Fundamentals
Why is my Rising sign different on different websites?
Different birth charts or Rising signs usually come from birth time, time zones, coordinates, house systems, or tropical versus sidereal settings.7 min read↗
05Method
Places
Why historical timezones matter in a birth chart
See how historical UTC offsets, daylight-saving rules, and birthplace coordinates affect Rising signs, houses, and birth-chart accuracy.8 min read↗
06Essential
Timing & Life Cycles
Saturn return: timing, meaning, and what to expect
Learn the usual Saturn return ages, when the cycle starts and ends, why retrogrades can create several exact dates, and what the period may mean.7 min read↗
07Begin here
Birth Chart Fundamentals
Sun, Moon, Rising: three different questions
A useful way to understand three familiar placements without flattening them into personality labels.5 min read↗
08Perspective
Relationships
Compatibility without a score
Relationships are patterns to understand, not people to rank. Here is a more useful approach.7 min read↗
09Guide
Places
What astrocartography can — and cannot — tell you
How location astrology frames a place, and why real-world context still matters.9 min read↗
10Popular
Career & Direction
What your Midheaven means
A clear guide to the Midheaven, career direction, public contribution, and how to find yours.8 min read↗
11Life cycles
Career & Direction
Career change around your Saturn return
How questions of commitment, authorship, and responsibility can reshape working life.8 min read↗
12Guide
Timing & Life Cycles
Your solar return is a yearly lens, not a forecast
Use the chart as a reflection point for the themes gathering around a new personal year.6 min read↗