What if I don't know my exact birth time?

You can still calculate a meaningful chart. Your Sun, Moon (usually), and every planet-to-planet aspect barely move across a day. What you lose is precision on the time-sensitive layer: the Ascendant, Midheaven, and house placements. Try a best guess — many people find their time on a birth certificate, in hospital records, or from a parent — and refine later.

What's the difference between my Sun sign and my Rising sign?

Your Sun sign is where the Sun sat in the zodiac on your birthday — the core of who you're becoming. Your Rising sign (Ascendant) is the sign that was climbing over the eastern horizon at the exact minute you were born — the face you lead with and the lens the whole chart is read through. Horoscope columns use your Sun sign; a full chart reading starts from your Rising.

Is this calculator really free? Do I need an account?

Yes, and no account. Enter your birth details and you get the complete chart — every planet, all twelve houses, and the major aspects — on this page. We don't paywall placements or hide half your chart behind a signup.

Which zodiac and house system does Shymea use?

The Western tradition: the Tropical zodiac, anchored to the seasons and the equinoxes, with Placidus houses — the most widely used time-based house system in modern Western astrology. It's the same convention used by most professional Western astrologers, so your placements here will match a professional reading.

Free birth chart

Your whole sky, to the minute.

Enter your birth date, time, and place to see your exact natal chart — every planet, house, and aspect. Free, no account needed.

What a birth chart actually is

Your birth chart — also called a natal chart — is a snapshot of the sky at the exact moment and place you were born, drawn as a wheel. It isn't a prediction; it's a map. Astrologers read that map through four layers that work together:

Planets

The what. The Sun, Moon, Mercury through Pluto — each planet carries a different part of you: identity, feeling, thinking, loving, drive, growth, discipline.

Signs

The how. Each planet sits in one of the twelve zodiac signs, which colors its style — Mars in Aries pushes; Mars in Pisces persuades.

Houses

The where. Twelve slices of sky mapping areas of life — money, home, work, partnership. A planet's house tells you where its story plays out.

Angles

The frame. The Ascendant, Descendant, Midheaven, and IC — the four hinges of the chart, set entirely by your exact birth time and place.

Read together, the layers form sentences: a planet (what) in a sign (how) in a house (where), connected to other planets by aspects — the angles between them that show where your chart hums in harmony and where it sparks friction. That's why two people with the same Sun sign can live such different lives.

Start with your big three

If the whole chart feels like a lot, start where astrologers do — with three placements. Your Sun is your core identity: the drive underneath everything, the person you're spending a lifetime becoming. Your Moon is your inner weather — how you feel, what you need to feel safe, the self that shows up at home when no one's performing. And your Rising sign (the Ascendant) is the sign that was rising over the eastern horizon at the minute you were born — your first impression, your instinctive approach to anything new, and the point the entire wheel of houses is anchored to.

Most people only ever meet their Sun sign. The moment the other two enter the picture, astrology stops feeling generic — a Leo Sun with a Pisces Moon and Capricorn Rising is a very different animal from a Leo Sun with an Aries Moon and Sagittarius Rising. Your chart below gives you all three, plus everything else.

Why your exact birth time matters

The sky turns fast. The Ascendant moves through the zodiac at roughly one degree every four minutes — a full sign in about two hours. Round your birth time to “morning-ish” and your Rising sign can be flat-out wrong, and because every house cusp is measured from the Ascendant, the houses shift with it: a career question can migrate from the tenth house into the ninth, a relationship placement from the seventh into the sixth. The Moon is time-sensitive too — it covers about half a degree per hour and changes signs every two to three days, so a birth near a sign boundary can tip your Moon one way or the other.

The good news: the minute on your birth certificate is usually enough. And if you genuinely don't know it, your planets in signs and the aspects between them still hold — you just read the chart with the houses held lightly until you can pin the time down.

How we calculate it

Shymea works in the Western tradition — the Tropical zodiac with Placidus houses — and computes planetary positions with the Skyfield astronomy library using the JPL DE442 ephemeris, the same planetary data NASA uses for mission planning, resolved to your exact birth minute and coordinates. Your free chart includes all ten planets in their signs and houses, the Ascendant and Midheaven, all twelve Placidus house cusps, and the major aspects between planets. Nothing is templated by Sun sign, and nothing here is Vedic or sidereal — this is Western astrology, computed properly.

The free chart, and what comes after

This page gives you the full calculation — the complete wheel, every placement, no account. It's the map. The Shymea app is the reading of it: daily guidance timed to the real transits crossing your chart, an astrologer-grade AI you can ask anything, synergy readings between your chart and the people in your life, and in-depth premium reports computed from this same engine. Prefer to explore on your own first? Look up your placements in our zodiac sign guides, check this week's horoscopes, or read the journal. Your sky, decoded — at whatever depth you want.

Birth chart questions

What if I don't know my exact birth time?: You can still calculate a meaningful chart. Your Sun, Moon (usually), and every planet-to-planet aspect barely move across a day. What you lose is precision on the time-sensitive layer: the Ascendant, Midheaven, and house placements. Try a best guess — many people find their time on a birth certificate, in hospital records, or from a parent — and refine later.
What's the difference between my Sun sign and my Rising sign?: Your Sun sign is where the Sun sat in the zodiac on your birthday — the core of who you're becoming. Your Rising sign (Ascendant) is the sign that was climbing over the eastern horizon at the exact minute you were born — the face you lead with and the lens the whole chart is read through. Horoscope columns use your Sun sign; a full chart reading starts from your Rising.
Is this calculator really free? Do I need an account?: Yes, and no account. Enter your birth details and you get the complete chart — every planet, all twelve houses, and the major aspects — on this page. We don't paywall placements or hide half your chart behind a signup.
Which zodiac and house system does Shymea use?: The Western tradition: the Tropical zodiac, anchored to the seasons and the equinoxes, with Placidus houses — the most widely used time-based house system in modern Western astrology. It's the same convention used by most professional Western astrologers, so your placements here will match a professional reading.
How accurate are the planetary positions?: Astronomy-grade. Positions are computed with the Skyfield astronomy library from the JPL DE442 ephemeris — the same planetary data NASA uses for mission planning — calculated for your exact birth minute and coordinates, not looked up from pre-rounded tables.

Your birth chart is offered for guidance, self-reflection, and entertainment — it is not a substitute for professional medical, financial, legal, or psychological advice.