Tool · Astrology
Your Big 3: Sun, Moon, Rising.
three answers to "what’s your sign?" ✦
The Big 3 names the three pillars of a birth chart: the sun sign, the moon sign and the rising sign. The calculator places the Sun and the Moon at the exact moment of a birth, then works out the sign that was coming up over the eastern horizon of the given place. Three pieces of data are enough: the date, the time and the city. The Sun tells the drive, the Moon the needs, the rising the way of entering the world.
To understand what these three signs are saying: the birth chart guide and the article on the rising sign.
Frequently asked.
What is the Big 3 in astrology?
It is the trio formed by your sun sign (the Sun’s position at your birth), your moon sign (the Moon’s) and your rising sign (the sign coming up over the eastern horizon). Together they give the most compact portrait of your chart: the drive, the needs, the way in.
Why are the birth time and city needed?
The Sun only needs the date. But the Moon changes sign roughly every two and a half days, and the rising sign every two hours: without the time and place, which set the timezone and the horizon, those two stay blurry.
Where does the result appear?
In the Nohemia app, your personal space: the full calculation unfolds there, position by position, and it stays there for you. The app is on subscription; the site itself stays entirely free.
What if I don’t know my birth time?
Start with the move almost no one thinks of: ask the civil registry that recorded your birth for a full copy of your birth certificate. It is often free, and the birth time is recorded there to the minute, usually more reliable than family memory. If the record stays silent (rare, more common for older or overseas births), you can calculate for noon, compare the day’s possible risings and rule out the ones that look nothing like you. Your Sun will stay right, your Moon almost always; only the rising stays uncertain while the hour is missing.
Does 15 minutes change the rising sign?
Sometimes, yes. The rising sign changes about every two hours, in step with the Earth’s rotation; a quarter of an hour shifts it three to four degrees on average. Born in the middle of a rising sign, you risk nothing; born near a boundary, those fifteen minutes tip the whole horizon over, houses and all. That is why the official time from the birth certificate beats the family’s “around eight o’clock”.
Is the Big 3 enough to describe me?
It already says a lot: the Sun, the Moon and the rising are the three measures astrologers read first, and their combination already sets you apart from the twelve-box horoscope. A full chart then adds the other bodies, the twelve houses and their dialogue of aspects: that is where the fine nuances appear. The Big 3 is a portrait in three strokes; the whole chart, the full picture.