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Rising Sign Calculator

Your rising sign (ascendant) is the zodiac sign that was rising on the eastern horizon at your exact moment of birth. It shapes first impressions, outer style and the energy others see in you.

Year
Month
Day
Hour
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Birth Place

What Is a Rising Sign?

While your sun sign describes your core identity, the rising sign (ascendant) reveals the mask you wear and the first impression you make. It is the gateway to your entire birth chart — the sign on the first house cusp.

Because the ascendant changes roughly every two hours, an exact birth time is essential. If you don't know your birth time, the tool uses 12:00 noon by default and the result may shift by a sign.

Your rising sign also sets the order of your twelve astrological houses, determining which life areas the planets illuminate for you.

How It Works

We calculate the ascendant using precise astronomical positions from the astronomy-engine library: the local sidereal time at your birth place combined with your latitude determines which zodiac sign was crossing the eastern horizon. Our timezone engine handles daylight saving automatically for 110+ major cities worldwide.

Frequently Asked Questions

What if I don't know my exact birth time?✦
The tool assumes 12:00 noon when the time is unknown. The rising sign can change every two hours, so for a fully accurate result, try to obtain your birth time from your birth certificate or family records.
Is the rising sign more important than the sun sign?✦
Both matter. The sun sign is your core, while the rising sign is your outer expression. Astrologers read the whole chart, but the ascendant strongly colors first impressions and appearance.
Does my birthplace matter?✦
Yes. The ascendant depends on your birth longitude (for local sidereal time) and latitude. Using the wrong city can shift your rising sign.

Go Deeper with Your Full Reading

Your free result is only the beginning. Sign in to Sortiax for an in-depth reading built around your unique chart.

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