Moon Phase Calculator — What Moon Were You Born Under?
Enter your birth date to discover which moon phase you were born under and what it reveals about your personality, love style, and life purpose.
The 8 Moon Phases & Their Meanings
Why Your Birth Moon Phase Matters
In astrology, the Sun represents your outward identity, but the Moon represents your inner world — your emotions, instincts, and subconscious. The phase of the Moon at your birth adds another layer: it reveals the stage of your soul's journey and how you express your emotional nature. The moon completes a full cycle every 29.5 days, passing through 8 distinct phases. Whatever phase was in the sky when you were born shapes your core emotional temperament.
For example, a New Moon birth suggests a pioneer soul here to start something new, while a Full Moon birth suggests a radiant soul here to be seen and celebrated. Combine your birth moon phase with your Moon sign calculator for an even deeper picture, or explore moon phase compatibility to see how your lunar energy matches a partner's.