Big Three Astrology Calculator

Sun, moon and rising are the three placements every reading starts from. You’ll need your birth time for the rising sign, so dig out the birth certificate before you start.

On your birth certificate, usually. Without it your rising sign can't be calculated.

Need a copy? Ask for the long-form certificate, since short versions often leave the birth time off. Find your state’s vital records office.

Nearest city is close enough.

Where your placements get sent. Required.

City and time zone data from GeoNames, CC BY 4.0.