Rising sign calculator

Find the sign that was rising on the eastern horizon when you were born. No birth time? See which sign was rising at every hour of your birthday.

Enter your birth date, time and place to find your rising sign. No birth time? You’ll get every possible rising sign for the day.

How to find your rising sign

  1. Enter your birth date and the most exact birth time you have.

  2. Pick your birth place from the list so the right horizon and time zone are used.

  3. Press Find my rising sign to see your Ascendant, its degree and your chart ruler.

  4. Check the table of rising signs through the day if your time is uncertain.

What your rising sign describes

Of the big three, the rising sign is the most personal to your moment of birth. Your Sun sign is shared with everyone born within about a month of you, but your Ascendant depends on the minute and the place. Astrologers read it as the lens you look through and the way you meet new situations: your first reactions, your style and the impression you make before people get to know you. It also sets up the houses: the sign on the Ascendant rules the 1st house, and every other house follows from it.

The twelve rising signs at a glance

Rising sign How it tends to come across Chart ruler
Aries Direct, energetic, quick to start Mars
Taurus Calm, grounded, pleasant Venus
Gemini Curious, chatty, youthful Mercury
Cancer Gentle, caring, guarded at first Moon
Leo Warm, confident, memorable Sun
Virgo Neat, observant, modest Mercury
Libra Charming, polite, easy to like Venus
Scorpio Intense, magnetic, private Pluto (traditionally Mars)
Sagittarius Open, friendly, adventurous Jupiter
Capricorn Composed, serious, capable Saturn
Aquarius Original, friendly, independent Uranus (traditionally Saturn)
Pisces Gentle, dreamy, empathetic Neptune (traditionally Jupiter)

Why the exact time matters

The Earth turns once a day, so the whole zodiac passes over the eastern horizon every 24 hours. On average a sign takes two hours to rise, but not evenly: because the ecliptic is tilted, some signs rise in well under an hour at high latitudes and others take three or more. The calculator shows your Ascendant to the minute of arc. If it is within a degree or two of the next sign, a birth time a few minutes off could change it, and it is worth checking your birth certificate.

When you don't know your birth time

Tick I don't know the birth time and the calculator builds a table of every rising sign for your birth date, with the local clock time each one started and ended at your birthplace. If you know roughly when you were born, "in the morning" or "just after lunch", the table narrows it to one or two signs. Astrologers sometimes estimate an unknown time from life events, a process called rectification, which is beyond what this calculator does.

Your rising sign on the map

Your Ascendant also has an echo on Earth. Every planet's ASC line marks where that planet was rising at your birth, the places where it would have sat right on your Ascendant. See them on your astrocartography chart, or use the relocation chart to find your rising sign for any city you move to.

Questions

What is a rising sign?

The rising sign, or Ascendant, is the zodiac sign that was coming up over the eastern horizon at the moment and place of your birth. It sets the starting point of the houses in your chart.

How precise does my birth time need to be?

A new sign rises about every two hours on average, but some signs rise faster than others depending on latitude. A time within 15 minutes is usually enough unless your Ascendant is near the edge of a sign; the calculator shows the degree so you can tell.

What if I don't know my birth time?

Tick I don't know the birth time. The calculator then lists every rising sign for your birth date at your birthplace, with the local clock times each one began and ended.

What is a chart ruler?

The planet that traditionally rules your rising sign, such as Venus for Libra rising or Mars for Aries rising. Astrologers treat its sign and house as a key to the whole chart.

Why do some signs rise faster than others?

The zodiac is tilted relative to the equator, so at mid-northern latitudes signs from Capricorn to Gemini rise quickly and signs from Cancer to Sagittarius slowly. Near the equator the difference is small.