Though you will not know the sign of your Ascendant, the signs of your chart houses, and possibly the correct sign of your Moon you’ll be able to explore the planets in their signs and the relationships between them by setting noon or sunrise as the time of birth. It is absolutely possible to explore astrology ZODI-style without an exact birth time. You may also find a web search of “chart rectification” interesting. Absent that, a relative may be able to offer a close proximity. The best place to find your birth time is a birth certificate.

The sign of the Ascendant sets the order of the signs through the houses of the birth chart wheel, and is therefore necessary to place your planets in their respective houses in your chart. So knowing your birth time within an hour or two, if not exactly, allows you to make a fairly reliable assumption about the sign of your Moon and Ascendant. The Moon changes signs approximately every 2.5 days, and the Ascendant every two hours. Having an exact time enables you to identify the correct signs of your Moon and Ascendant (Rising sign), as well as the rulership (sign) of each of the 12 houses in your chart. Chart CalculationĪn accurate natal chart requires not only the date, but also the time and location of your birth. To use the ZODI system to its fullest extent you will need to know the details of your natal (birth) chart. Don't know your Astro Details? No worries!Įnter your birth information into the calculator below to view your free chart.

Astrology houses calculator