Interactive tool
Compare two birth charts with the synastry calculator
Calculate planetary placements, major aspects and exact orbs without creating an account.
A little context goes a long way
Astrology guides.
Room for questions.
Find a starting point, check your birth details, or compare what a reading can offer. These guides connect practical examples with our free zodiac tools.
Tools, compared
The best love compatibility calculators for different questions
Compare five tools by chart depth, required birth details, transparency, privacy and ease of use.
Birth-chart basics
7 common birth chart mistakes and how to avoid them
Check seven common birth chart mistakes, from guessed times to mismatched zodiac settings. Use worked examples and a simple checklist before reading your chart.
Birth-chart basics
What can you calculate without your birth time?
Missing your birth time? See what you can establish about your Sun and Moon signs, why Rising stays uncertain, and how to use a date-only lookup without guessing.
Zodiac reference
Zodiac sign dates: find your Sun sign
Find the approximate dates for all twelve zodiac signs, with their elements and modalities. Learn why birthdays near a sign boundary need exact birth details.
Zodiac reference
Fire, earth, air and water signs explained
See which zodiac signs belong to fire, earth, air and water. Compare their traditional themes and explore practical questions about communication and connection.
Love and connection
How each zodiac sign shows love
Explore how each zodiac sign may show love and care, what can get missed, and one useful question to ask instead of relying on signs alone.
Communication and connection
How each zodiac sign communicates
Compare how each zodiac sign may communicate, where their message can get lost, and one practical question that can create more clarity.
Relationship patterns
Zodiac compatibility chart: every sign pairing
Compare all zodiac sign pairings in a free compatibility chart. Explore our editorial scores, their limitations and a practical reading for each combination.
Relationship patterns
Zodiac compatibility by element
Explore how fire, earth, air and water interact in our compatibility model. Compare all ten element pairings and use practical prompts without treating scores as predictions.
Relationship patterns
Can incompatible zodiac signs still work?
A low zodiac compatibility score is not a relationship verdict. Learn what the score represents and use concrete questions to explore different needs and habits.
Birth-chart basics
Sun vs Moon vs Rising sign: what’s the difference?
Understand what Sun, Moon and Rising signs describe, which birth details each calculation needs, and why accurate timing matters near a zodiac sign boundary.
Our perspective
Is astrology real? Meaning, calculations and evidence
Separate astronomical calculations from astrological interpretations. Learn how to question a reading and understand the limits of Astrunara’s compatibility scores.
A thoughtful purchase
7 questions to ask before paying for an astrology reading
Use seven questions to compare astrology readings: format, reader, missing birth times, total price, renewals, refunds and privacy. Includes a buying checklist.
The four elements
Fire signs: Aries, Leo, Sagittarius
Explore the fire signs—Aries, Leo, Sagittarius—with traditional themes, everyday examples and practical questions about relationships.
The four elements
Earth signs: Taurus, Virgo, Capricorn
Explore the earth signs—Taurus, Virgo, Capricorn—with traditional themes, everyday examples and practical questions about relationships.
The four elements
Air signs: Gemini, Libra, Aquarius
Explore the air signs—Gemini, Libra, Aquarius—with traditional themes, everyday examples and practical questions about relationships.
The four elements
Water signs: Cancer, Scorpio, Pisces
Explore the water signs—Cancer, Scorpio, Pisces—with traditional themes, everyday examples and practical questions about relationships.
Ready to explore a pairing?
Start with the Sun-sign compatibility calculator, or compare planetary aspects with the synastry calculator. For individual profiles, explore all twelve zodiac signs.