Astrology calculators that show their working
Each calculator finds real planet positions for your birthday and tells you how it got there. They are free, and your birth details never leave your device.
- Chiron sign calculator
Your Chiron sign and degree, the years Chiron spent in that sign, and the dates of your Chiron return around age 50.
- Descendant sign calculator
Your Descendant sign and degree, the planets that were setting when you were born, and the planet that rules your Descendant.
- Dominant planet calculator
Which planet leads your birth chart, with the score for all ten planets and the reason for every point.
- Juno sign calculator
The sign and degree of the asteroid Juno when you were born, the dates it was in that sign, and your Juno returns.
- Lilith sign calculator
Your Black Moon Lilith sign and degree, in both the mean and true versions, and the dates of your Lilith returns.
- Mars sign calculator
Your Mars sign and degree, whether Mars was retrograde when you were born, and the dates of your Mars returns.
- Mercury sign calculator
Your Mercury sign and degree, and whether you were born during a Mercury retrograde, with every retrograde from 1930 to 2040.
- Midheaven calculator
Your Midheaven (MC) sign and degree from your birth time and city, and how sensitive it is to the minute.
- North Node calculator
Your North Node and South Node signs, the exact degree, and the dates of your nodal returns.
- Part of Fortune calculator
The sign, house and degree of your Part of Fortune, with the day or night formula worked through.
- Saturn return calculator
The exact dates Saturn comes back to where it was when you were born, at about ages 29, 59 and 88.
- Solar return chart calculator
The exact moment the Sun returns to its birth position in any year, and the chart for that moment: rising sign, Sun house, Moon and planets.
- Venus sign calculator
Your Venus sign and degree, whether Venus was retrograde when you were born, and whether it was a morning or evening star.