Free astrology tools
Find your
Understand yourself and your relationships
These tools explain the basics first and introduce the chart a piece at a time.
Birth chart calculator
See your sun, moon, rising, planets, houses, and what they mean.
Explore Birth chart calculator →Someone else's chart
Use birth details, the Big Three, or a Zodiacs link — with their permission.
Explore Someone else's chart →Today
A plain-language daily brief once you have saved a chart.
Explore Today →Compatibility
Compare two charts and see where they click, clash, and grow.
Explore Compatibility →Moon sign calculator
How you feel, and what settles you.
Explore Moon sign calculator →Rising sign calculator
Find the sign people meet first. Birth time helps.
Explore Rising sign calculator →Big Three calculator
Sun, Moon, and Rising in seconds, with a card to share and one tap into the full chart.
Explore Big Three calculator →Group charts
Three to eight people: who brings the spark, the anchor, the connector, and the glue.
Explore Group charts →Invite a friend to compare
Send a link; your friend adds their chart and the comparison opens for both of you.
Explore Invite a friend to compare →Chart twins
Public figures in the sourced directory who share your Sun and Moon signs.
Explore Chart twins →Chart PDF
A clean chart with placement and aspect tables, made on your device to print or send.
Explore Chart PDF →Follow the sky
See what is changing now, with the dates and calculations available when you want them.
Moon phase
Tonight’s moon, and the moon of any date you care about.
Explore Moon phase →Sky events
The full moons, eclipses, retrogrades, sign changes, and rare alignments ahead.
Explore Sky events →Transit tracker
Explore today’s planets and their connections to your chart.
Explore Transit tracker →Full moon calendar
Every full moon through 2027: date, sign, and name.
Explore Full moon calendar →Eclipses
Solar and lunar through 2028, with exact peak times.
Explore Eclipses →Retrogrades
See each planet's retrograde dates at a glance.
Explore Retrogrades →Lunar return
Find your next Moon return, explore its chart, and save a moment to check in.
Explore Lunar return →Void-of-course Moon
Every void this month and the next two, to the minute, with the aspect that starts it.
Explore Void-of-course Moon →Sky calendar
New and full moons, eclipses, and retrogrades in your own calendar app.
Explore Sky calendar →Chart of the day
A public figure in the news, with sourced birth data and its limits stated.
Explore Chart of the day →Life moments and annual charts
Use these when you are looking at a birthday, due date, Saturn return, or personal new year.
Saturn return
When yours hits, exactly, and what it tends to ask.
Explore Saturn return →Solar return
Cast the exact chart of your personal new year, for any year and place.
Explore Solar return →Baby zodiac
What sign a due date makes likely, and what has to wait.
Explore Baby zodiac →Your sky, wrapped
The year’s Jupiter and Saturn contacts to your chart, with a card to share.
Explore Your sky, wrapped →Numbers from your name and birth date
Numerology is not astrology: it reduces a birth date and a name to numbers and reads them by convention. It sits here because people ask for both.
Private by default. Birth-chart calculations stay in your browser. Privacy and method →
- Horoscopes. Monthly, for every sign, written against the real dates of the month's sky — read this month’s.
- Mercury retrograde. The famous one gets its own page, every window through 2027 — see the dates.