Rising Sign Calculator: What Is My Rising Sign?
Your rising sign is the zodiac sign that was climbing over the eastern horizon at the moment you were born. Give this calculator your birth date, time and place and it names the sign and its degree, with what that sign says about you. It is free, asks for no sign-up, and the answer shows up on this page.
How to use it
- Type the birth time. Use the clock time from your birth record, in the local time of the birthplace. A rising sign lasts about two hours, so a rounded guess can land in the wrong sign.
- Pick the birthplace. Choose the town from the list that appears as you type. The sign depends on the horizon at that exact spot, so the right town matters as much as the hour.
- Press the button. Your Rising sign and its degree appear below the form. Press See my full chart if you want the planets and houses as well.
Your rising sign, also called your Ascendant, is the sign on the eastern horizon at your birth moment. It moves on about every two hours, which is why it needs your birth time and your birthplace. The calculator above works it out from both.
What your rising sign describes
The Ascendant is the zodiac sign that was rising over the eastern horizon at the moment you were born. Astrologers read it as the first impression you give and the way you instinctively meet new situations, almost like the window you look out of. It is also where the first house of the chart begins, so planets close to it tend to be very visible in how you come across.
Your Sun sign is about the core of who you are, and your Moon sign is about what you need to feel settled. Your rising sign is the part other people usually meet first. That is why two friends with the same Sun sign can seem quite different on a first meeting.
Why the place of birth counts as much as the hour
The horizon is different in every town, so the same clock time gives different signs in different places. Take 8:00 in the morning on 15 May 1994. In New York the rising sign at that hour was Cancer. In London it was also Cancer. In Sydney, 8:00 on the same date fell in Gemini. Same date, same clock reading, three cities, two different answers.
You do not have to convert anything. The calculator looks up the time zone and the daylight saving rules for the birthplace on your birth date, so you type the time exactly as it was written on the record.
How fast the sign changes
Over a full day all twelve signs rise once, which averages out to about two hours each. They are not equal slices. In New York on 15 May 1994, Aries was rising for only 72 minutes (3:25 to 4:37 in the morning), while Leo stayed up for 153 minutes (10:19 am to 12:52 pm). The speed also depends on the season and on how far north or south you were born.
A degree of rising sign passes in roughly four minutes on average. So the calculator checks how close your result is to the edge of a sign. If you are within about one degree of the border, it says so, because a birth time that is a few minutes off could give you the neighbouring sign.
Which birth time to use
The best source is the time on your birth certificate or a hospital record. Some certificates list it, and some places issue a longer form that does. If a parent remembers the time, ask what they were doing when it happened, such as whether it was before lunch or after the evening news, and use that to sanity-check the number.
A few small points that save trouble:
- Enter AM or PM as written. Mixing up 5:10 AM and 5:10 PM is the most common reason a result looks wrong.
- Use the local time of the birthplace, not the time where you live now.
- If the record gives only a rounded time, such as "around 3 o'clock", enter it and read the edge note. If the result is far from any border, you can trust it more.
- If clocks went back that day, a time can occur twice. The calculator uses the first one and tells you.
Your rising sign and the rest of the chart
The rising sign is not only a label. It fixes the layout of the whole chart: the first house begins exactly at the Ascendant, and the Descendant sits on the opposite horizon, opening the seventh house, which astrologers use for one-to-one relationships. The other house boundaries are worked out from these two points and the Midheaven. That is why a chart drawn without a birth time has no houses at all, while the planets in their signs can still be shown.
Your chart ruler and your Descendant
With a birth time, the result card also names two things that follow from the rising sign. The first is your chart ruler: the planet that rules your rising sign, read as a guide to the whole chart. A Libra rising has Venus as chart ruler, so the sign Venus sits in adds to the picture. This calculator uses the modern rulers, so Scorpio rising is ruled by Pluto, Aquarius by Uranus and Pisces by Neptune. Older astrology gives those three to Mars, Saturn and Jupiter.
The second is your Descendant, the point exactly opposite the Ascendant. It is always the opposite sign, so a Cancer rising has a Capricorn Descendant. It opens the seventh house, which astrologers read for partners and close one-to-one relationships.
What to do when the answer surprises you
First check the date and the place. A town with the same name as another one in a different state is the usual cause. Then check AM and PM. If both are right and the result still feels off, remember that a rising sign is about presentation and instinct, not about what you like to do. Many people find that it fits better once they think about how strangers describe them rather than how they describe themselves.
What to do with your rising sign
Once you have it, the next question is how it sits with the other two of the Big 3. The Big 3 guide explains how the Sun, Moon and Rising signs work together in one person. If you want your Moon sign on its own, use the Moon sign calculator. If you do not know the birth time at all, the page on finding your rising sign without a birth time shows how to narrow it down. The method behind these results is set out on the how we calculate page.
Common questions
How do I calculate my rising sign?
Fill in the form at the top of this page with your birthday, the clock time you were born and the town. The calculator finds which zodiac sign was on the eastern horizon at that moment and shows it with its degree. No maths or time zone conversion is needed.
How do they calculate the rising sign?
The ascendant is the point where the ecliptic meets the eastern horizon. It is worked out from the exact moment of birth, converted to universal time, and the latitude and longitude of the birthplace. That is why the time and the town both change the answer.
What is a rising sign vs a sun sign?
Your Sun sign is set by your birth date and changes about once a month. Your rising sign is set by your birth time and place and changes about every two hours. The Sun sign describes your core; the rising sign describes how you come across at first.
Is my rising sign the same as my ascendant?
Yes. Rising sign and Ascendant are two names for the same thing: the zodiac sign on the eastern horizon when you were born. Some charts also show the Ascendant as a degree inside the sign, and this calculator gives you that degree too.
Does being a few minutes off matter?
Usually not, unless you were born close to a border between two signs. A degree of rising sign takes around four minutes. If your result is within about one degree of the edge, the calculator warns you that a slightly different time could change it.
What if my birth time is missing?
Then no calculator can give you one exact rising sign, because it depends on the hour. You can still see which sign goes with each time of day on your birth date, which helps when you remember only the rough time of day.
Do I need to sign up to use it?
No. The calculator is free, needs no account and shows your rising sign on the same page. An account is only needed if you want to save your chart so it is there the next time you visit.
What is my chart ruler?
Your chart ruler is the planet that rules your rising sign. Enter your birth time and place above and the card names it and the sign it was in. A Leo rising, for example, is ruled by the Sun, and a Virgo rising by Mercury.
What is my Descendant sign?
Your Descendant is always the sign opposite your rising sign. An Aries rising has a Libra Descendant, and a Taurus rising a Scorpio one. The card shows it under your rising sign once you enter a birth time.