Free birth chart calculator

Your sky map, translated into human language.

Enter your birth date, time, and place to preview your Sun, Moon, and Rising signs. Unlock a deeper AI report when you want the chart explained through relationships, work, emotions, and growth.

Create free chart Learn the Big 3

Big 3 preview

zodiac guides

fixed predictions

How it works

From birth details to a readable chart.

Create a free preview, read your Big 3, then unlock a deeper report when you want the full interpretation.

Enter your birth details

Use birth date, time, and place to create a chart preview. Unknown birth time is supported with clear limits.

Read your Big 3

See your Sun, Moon, and Rising signs with a grounded summary and reflective prompts.

Unlock the full report

A deeper AI interpretation explains planets, houses, relationships, work patterns, and growth themes.

Birth chart structure

A real chart has planets, signs, houses, and aspects.

The calculator starts with your birth date, time, and place, then places planets in zodiac signs and houses before reading the aspect lines between them.

Create your chart

Planets

The drives and functions in the chart: identity, emotion, thinking, love, action, and growth.

Zodiac signs

The style each planet uses, from Aries through Pisces around the outer wheel.

Houses

The twelve life areas, divided from the birth time and location.

Aspects

The angles between planets, shown as lines connecting the points inside the wheel.

Why Chart Within

Astrology reports without fear-based predictions.

Use Chart Within as a reflective tool for identity, emotions, relationships, work patterns, and personal growth. It is personal insight, not a fixed forecast.