Birth Chart Calculator

Would you like to know your planetary positions? You don’t need to order a report to determine the basic positions in your chart. The following Birth Chart Calculator lists such things as your Sun sign, Moon sign, Ascendant, and more.

Birth Date
Exact Birth Time

If birth time is unknown, check this box.*

UTC time offset:

Tip: Make sure the UTC time offset is correct. If it's wrong, you can change it.

* NOTE: If birth time is unknown, the report will not include positions or aspects for the Moon, Ascendant, Midheaven, Vertex, or Part of Fortune, nor will it include House positions for any planets.

See also a chart with some interpretations.

You might also try the Natal Chart generator in our Free Report section.

Please note that some historical time zones are ambiguous and while most time zones in this calculator are correct, some aren’t for dates before 1970. We can help you find the right time zone offset if you’re uncertain: email with your request for the time zone offset with birth details to

The above calculator uses the popular Placidus system of houses and the Tropical Zodiac. Alternatively, you can calculate your chart using Equal, Whole, or Koch houses.