Natal and Transit Chart Calculator

Birth details

Set the moment and place.

Exact time and the correct historical time zone are essential for houses and angles.

Saved charts

Charts are saved only in this browser. Select one to update it, or begin a new chart.

Person

Name

Used to label this chart so you can tell your saved charts apart.

Birth date

Use the date recorded at the birthplace.

Exact birth time

Hour Minute Period

Time

Choose hour, minute, and AM or PM.

Enter the time exactly as written on the birth record.

I do not know my exact birth timeWhy time matters

Birthplace

Search by city, town, or locality. Include a region or country when names repeat.

Each completed chart is saved only in this browser. You can return here to edit or remove it at any time.

Showing the Tropical chart throughout the wheel and tables below.

Applying Separating · Blank cells have no aspect within the selected settings.

Body	Position	House	Motion	Nakshatra

Calculation details

Astronomical calculations run locally with Swiss Ephemeris. Download corresponding source.