Sun Sign
Your core style and what helps you feel like yourself.
HomeWhat is a birth chart?
Accurate chart math • Verified astronomy data
What is a birth chart?
A birth chart is a map of where the planets were when you were born. It helps you explore your patterns, strengths, and timing themes.
Last updated: 2026-02-23
Sun Sign
Your core style and what helps you feel like yourself.
Moon Sign
Your feelings, needs, and emotional rhythm.
Moon Sign
Your feelings, needs, and emotional rhythm.
Rising Sign
How you come across first and how you start things.
What's Included in Your Birth Chart
1
Tell Us When You Were Born
A short chat collects your birth date, time, and place.
2
We Calculate Your Unique Chart
We build your chart with verified calculations and your chosen house system.
3
Wake Up to Personalized Guidance
You get a simple daily guide for what to do now and what to delay.
Trusted Accuracy
VSOP87
Verified astronomy model for planet positions
0.1°
Checked against trusted chart references
10
House system choices for different astrology styles
Built on careful chart math, explained in plain language.
VSOP87 Ephemeris
Trusted astronomy model for stable planet positions
10 House Systems
Choose the house system that fits your practice
See Your Chart
See what is active in your chart and why
5K+ Conversations
Improved from real user questions and feedback
Frequently Asked Questions
What is a birth chart?
A birth chart is a map of where the planets were when you were born. It helps you explore your patterns, strengths, and timing themes.
What do I need to calculate my birth chart?
You need birth date, birth time, and birth place. If birth time is missing, you can still start, then refine later.
Why is birth time important?
Birth time helps calculate your Rising sign and houses. A small time change can shift those parts of the chart.
How accurate is this birth chart calculator?
We use verified chart calculations and compare outputs with trusted references for consistency.
What house system should I use?
Placidus is common and used by default. Whole Sign is also popular and simple to read. Try both and keep the one that reads best for you.
Related Guides
Ready to See Your Birth Chart?
It takes about 2 minutes. Start free and read your chart in simple language.
See My Free Chart