Calculators & tools
Astrology Tools
Every calculation on the site in one place: birth chart, sky today, planetary returns, transits, lunations, and more — free, no sign-up.
Birth Chart
Planets, houses, aspects, and Ascendant of your birth chart.
The sky today
Moon phase, retrograde planets, and exact aspects of the day.
Saturn Return
The exact date of your Saturn return, around age 29-30.
Planetary Returns
The next Mercury, Venus, Mars, Jupiter, North Node, or Chiron return.
Transit Calendar
The transits that become exact on your chart, week by week.
Moon Phases & Eclipses
The upcoming New and Full Moons, and eclipses, on your chart.
Annual Profections
The house activated by your current year of life.
Secondary Progressions
Your progressed chart, one day of life for one year.
Solar Return
The exact chart of your birthday, for the year ahead.
Loosing of the Bond
The major periods of your life according to Hellenistic Zodiacal Releasing.
Synastry
Compare two birth charts: aspects, shared houses, compatibility.
Period Scanner
Scan any period on your chart: transits, returns, lunations and more, with comprehensive filters.