Birth chart

A Western birth chart places the Sun, Moon and planets in the twelve signs for one moment and place. Enter a birth to see its chart.

A chart describes tendencies in a symbolic tradition. It cannot decide health, money, law, marriage or children.

Date of birthTime of birth, on the local clockI do not know the time

Find the birthplace (optional)

City data: Natural Earth (public domain). The list is one file loaded once and searched in your browser. What you type is not sent anywhere.

Latitude of the birthplaceLongitude of the birthplace

Decimal degrees. Needed for the Ascendant, Midheaven and houses, so not needed without a birth time.

Time zone of the birthplace

House system

Placidus is the default because it is widely used in current practice. Near the poles it is undefined, and the chart says so and uses Whole Sign instead.

Calculated in your browser. Your birth date, time and place are not sent anywhere, saved or put in a URL.

Read further

What it isHistory, sources and where the record runs out.
How it worksThe method and each convention, in plain English.
The twelve signsThe tropical zodiac.
The planetsThe ten bodies this calculator places.
The twelve housesThe divisions of the birthplace sky.
The aspectsAngles between bodies, with this calculator's orbs.
Planets in signsTen bodies in twelve signs.
The rising signsThe sign of the Ascendant.