Rising Sign Degree Calculator
Discover the exact degree of your ascendant (0°–29°). Enter your birth details below to calculate your precise rising sign degree.
Calculate Your Rising Sign
Enter your exact birth date, time, and city to compute your Ascendant using Western astronomical algorithms.
What Degree is My Rising Sign?
If you're asking "what degree is my rising sign," this calculator will give you the exact mathematical answer. When you calculate your rising sign (also known as the Ascendant), you're not just finding out which of the 12 zodiac signs was on the eastern horizon — you are finding a precise mathematical point on the ecliptic.
Each zodiac sign spans exactly 30 degrees (from 0° to 29°). Your exact rising sign degree tells you exactly where within that sign your Ascendant falls. For example, your result might be 14° 22' Aries, which means 14 degrees and 22 minutes into the sign of Aries.
Why Does Your Ascendant Degree Matter?
Knowing your exact rising sign degree is important for several reasons in astrology:
1. Decans and Sub-Rulers
Every 30-degree zodiac sign is divided into three equal 10-degree segments called decans (or decanates).
- 0°–9° (First Decan): The purest expression of the sign, ruled by the sign's primary ruling planet.
- 10°–19° (Second Decan): Takes on secondary characteristics of the next sign in the same element.
- 20°–29° (Third Decan): Takes on characteristics of the third sign in the same element.
By calculating your exact degree, you can find out which decan your Ascendant falls into, giving you a much more nuanced understanding of your rising sign personality.
2. Aspects to Other Planets
In astrology, planets make "aspects" (angles) to your Ascendant. A planet at 15° Leo makes a tight, powerful trine to a rising sign at 15° Sagittarius, but a much weaker connection to a rising sign at 1° Sagittarius. You must know your exact ascendant degree to calculate these aspects accurately.
3. Anaretic Degrees (29°) and Early Degrees (0°)
If your rising sign degree is 0° (early degrees) or 29° (the anaretic degree), it has special astrological significance. 0° represents fresh, unfiltered, raw energy of a new sign. 29° represents the culmination, mastery, or sometimes urgency of a sign before it transitions to the next.
Accuracy Matters: The Importance of Birth Time
The rising sign degree is the fastest-moving point in your entire birth chart. The Ascendant moves approximately 1 degree every 4 minutes.
Because of this rapid movement, calculating your exact rising sign degree requires a highly accurate birth time. Being off by even 10 or 15 minutes can shift your ascendant degree by several degrees, potentially pushing it into a different decan, changing its planetary aspects, or even moving it into an entirely different zodiac sign.
How to Use This Calculator
Simply enter your exact birth date, local birth time, and birth city above. Our calculator uses the highly precise Swiss Ephemeris astronomical engine to calculate your Ascendant to the exact degree and minute. The result is calculated instantly in your browser with 100% privacy.