Sun, Moon & Rising Sign Calculator

Free · Instant results · No signup · Powered by astronomy-engine

Find your Sun sign, Moon sign, and Rising sign — your astrological Big Three — in under 30 seconds. Enter your birth date, exact time, and city, and we'll calculate your full natal chart with every planetary placement, accurate to fractions of a degree.

Calculate My Sun, Moon & Rising →

Your Big Three at a Glance

☉ Sun Sign

Your core identity, ego, and life purpose. Determined by your birth date.

☽ Moon Sign

Your emotional inner world, instincts, and what makes you feel safe. Needs your birth date (and time, if borderline).

↑ Rising Sign

Your Ascendant — how others first perceive you and the mask you wear in the world. Requires exact birth time and location.

What You'll Get Beyond the Big Three

How to Calculate Your Sun, Moon and Rising

  1. Enter your birth date — this fixes your Sun sign instantly
  2. Enter your exact birth time — required for an accurate Rising sign (the Ascendant shifts every ~2 hours)
  3. Search your birth city — coordinates and timezone auto-detected for a precise Ascendant
  4. Get your full chart — Sun, Moon, Rising and every planet in signs and houses

Why Your Sun, Moon and Rising Matter

Most people only know their Sun sign — but that's just one third of the story. Your Moon sign rules your inner emotional landscape and how you self-soothe, while your Rising sign shapes first impressions, your body, and the way life shows up at your door. Knowing all three (your Big Three) is the difference between a horoscope that feels generic and one that finally clicks.

Explore Each Sign in Depth

Once you know your placements, dive deeper:

Why Soular Map's Calculator Is Different

Unlike basic Sun-sign quizzes, Soular Map calculates your complete natal chart — every planet, Chiron, and the lunar nodes — using the astronomy-engine library, the same astronomical computation engine used in observatory-grade planetarium software. Positions are accurate to within fractions of a degree.

After calculating your Sun, Moon and Rising, you can optionally create a free Soular Map account to see how current transits interact with your placements, which chakras and body zones are activated, and to journal your experiences over time.

Frequently Asked Questions

What is a sun, moon and rising sign calculator?

A sun, moon and rising sign calculator (also called a Big Three calculator) uses your birth date, exact birth time, and birth city to compute your Sun sign (core identity), Moon sign (emotional nature), and Rising sign or Ascendant (how others first perceive you).

Do I need my exact birth time to find my Moon and Rising sign?

For your Rising sign (Ascendant), yes — it changes roughly every two hours, so an exact birth time is required. Your Moon sign usually only needs the date, but if you were born on a day the Moon changed signs the exact time matters. Your Sun sign only needs the date.

What is a Rising Sign?

Your Rising Sign (Ascendant) is the zodiac sign that was rising on the eastern horizon at your exact birth time and location. It represents how others perceive you and your outward personality — often considered as important as your Sun sign.

How accurate is this sun moon rising calculator?

Soular Map uses the astronomy-engine library with precise astronomical calculations. Placements are accurate to within fractions of a degree, matching professional ephemeris data and Swiss Ephemeris results.

What house system do you use?

We default to Whole Sign houses, one of the oldest and most straightforward systems. You can also switch to Equal House in the full Soular Map app.

Is this Sun Moon Rising calculator really free?

Yes — 100% free, no signup required, instant Big Three plus full chart.