Free tools
All free, and all calculated on this device. The dates and places you enter are never sent to us.
The sky on the day you met
The real sky on the day you met, on your first date, or on your wedding day, with a card you can share.
Rising sign and the Big Three
Calculate your Sun, Moon and Rising signs from your birth time, and read what each one says in plain language.
Sign compatibility
Aries and Scorpio, Taurus and Virgo… 78 sign pairs: what tradition says, and why it is only a starting point.
Your love language: Venus and Mars
How you love and how you desire: your Venus and Mars signs, from your birth date.
Composite chart
The relationship’s own chart, built from the midpoints of two charts: not yours or theirs, but the signs of “us”.
The sky on a wedding or engagement date
Compare the skies of 2 or 3 candidate dates side by side: what the Moon, Venus and tradition say. We don’t rank them; the choice is yours.
Relationship sky calendar
Mercury, Venus and Mars retrogrades and eclipses over the next 12 months; which ones touch your charts, and a file for your calendar.
Friend, business and family compatibility
A compatibility map with your best friend, a business partner or a family member, including your mother-in-law.
Where should you live together?
Cities where a line of Venus or Jupiter crosses for both of you. For curiosity, not for a decision to move.
A guide to getting to know your child
A few themes from the parent and child charts to help you understand your child’s world.
Music and film by sign
Which film for Aries, which song for Pisces? Music and film picks for all 12 signs, to watch and listen to together.