The Short Answer
A natal chart (or birth chart) is a circular map showing where the Sun, Moon and planets were — against the backdrop of the zodiac — at the exact time and place of your birth. Astrologers interpret it as a symbolic blueprint of personality, motivations and life themes.
The Four Building Blocks
- Planets — what: different drives and parts of you (planets).
- Signs — how: the style each planet expresses (signs).
- Houses — where: the area of life involved (houses).
- Aspects — the conversations between planets (aspects).
Natal Chart vs Horoscope
Daily horoscopes are written for Sun signs — one-twelfth of humanity at a time. A natal chart is personal: no one born at a different time or place has the same chart. See natal chart vs horoscope.
What You Need
Your birth date, exact birth time and birth city. Then use our free natal chart calculator.
How a Natal Chart Is Calculated
Three pieces of data define your chart. The date places the Sun and slower planets in their signs. The time fixes the Moon's exact degree and, crucially, which sign was rising on the eastern horizon. The place — latitude and longitude — determines the local horizon and meridian, and therefore the Ascendant, Midheaven and houses.
Your local clock time is converted to Universal Time using historical time-zone and daylight-saving rules, then astronomers' formulas give each planet's position along the ecliptic. That's exactly what our calculator does in your browser.
What Each Part Tells You
| Part of the chart | Question it answers | Learn more |
|---|---|---|
| Sun sign | Who am I becoming? | Sun sign |
| Moon sign | What do I need to feel safe? | Moon sign |
| Rising sign | How do I meet the world? | Rising sign |
| Venus & Mars | How do I love and pursue? | Venus sign |
| Houses | Where in life does it happen? | Houses |
| Aspects | How do the parts interact? | Aspects |
| North Node | Where am I growing? | North Node |
A Quick Example
Someone with the Sun in Libra in the 10th house, Moon in Taurus and Scorpio rising might be known publicly for diplomacy and taste (Libra Sun, 10th house), need comfort and stability in private (Taurus Moon), and come across as intense and reserved at first (Scorpio rising). None of those pieces alone tells the whole story — the combination does.
What a Natal Chart Can't Do
A birth chart describes tendencies and themes, not fixed outcomes. It can't tell you your gender, profession or exact life events, and it is not a substitute for professional advice. Read our honest take: is astrology real?.
Frequently Asked Questions
Is a birth chart the same as a natal chart?
Yes.
Do twins have the same chart?
Nearly — but even a few minutes can change house cusps and the Moon's degree.
Want your chart read by an astrologer?
Start with PsychicBook: 50% off + 10 free minutes for new customers.