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Moon Sign Calculator

Your moon sign reflects your emotional nature, instincts and inner world. It reveals how you feel, what you need to feel secure, and how you nurture yourself and others.

Year
Month
Day
Hour
Minute
Birth Place

Why Your Moon Sign Matters

The moon is the fastest-moving planet in the chart, changing signs about every two and a half days. Because of this, your exact birth time and place sharpen the result — though the moon sign rarely changes within a single day.

Your sun sign is who you are becoming; your moon sign is who you already are underneath. It governs your emotional responses, habits, memories and the intuitive reactions you can't always explain.

Knowing your moon sign helps you understand your deepest needs — why you react the way you do and what truly makes you feel at home.

How It Works

We compute the moon's geocentric ecliptic longitude at your exact birth moment (converted to UTC with precise timezone handling) and determine which zodiac sign it falls in. The calculation uses the same astronomical engine trusted by professional astrologers.

Frequently Asked Questions

Does the moon sign change with birth time?✦
The moon moves through a sign in about two and a half days, so within a single day your moon sign stays the same. Birth time matters more for the exact degree and for your rising sign.
Sun sign vs moon sign — what's the difference?✦
Your sun sign is your conscious identity and life purpose. Your moon sign is your emotional self — how you feel, nurture and respond instinctively.
Why does the moon sign affect my emotions?✦
In astrology the moon rules feelings, memory and instinct. Its sign shows the emotional climate you thrive in and how you seek comfort and security.

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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