BirthFacts

Moon Phase Birthday Calculator

What moon phase were you born under? Discover your natal moon and its spiritual meaning.

The 8 Lunar Phases

πŸŒ‘
New Moon
0% illumination
New beginnings, intention-setting, inner reflection.
πŸŒ’
Waxing Crescent
~25% illumination
Growth, hope, building energy forward.
πŸŒ“
First Quarter
~50% illumination
Action, decisiveness, overcoming challenges.
πŸŒ”
Waxing Gibbous
~75% illumination
Refinement, perseverance, analytical spirit.
πŸŒ•
Full Moon
100% illumination
Culmination, heightened emotions, expressive nature.
πŸŒ–
Waning Gibbous
~75% illumination
Gratitude, sharing, natural wisdom teacher.
πŸŒ—
Last Quarter
~50% illumination
Release, reflection, gift of letting go.
🌘
Waning Crescent
~25% illumination
Rest, surrender, deep psychic intuition.

FAQ

What moon phase was I born under?β–Ύ

Enter your birthdate into the Moon Phase Birthday Calculator above. It calculates the exact lunar cycle on your birth date and tells you which of the 8 moon phases you were born under.

Does the moon phase at birth affect your personality?β–Ύ

In astrology and moon lore, the phase of the moon at your birth is said to shape your emotional temperament, intuition, and life approach. For example, Full Moon births are associated with heightened emotions and expressiveness, while New Moon births are linked to fresh starts and introspection.

How accurate is the moon phase calculator?β–Ύ

The calculator uses the known synodic period of the Moon (29.53 days) anchored to a verified new moon date. It accurately places your birthdate within one of the 8 traditional lunar phases.

What is the rarest moon phase to be born under?β–Ύ

All 8 moon phases occur with roughly equal frequency across the 29.53-day lunar cycle, so no phase is significantly rarer than others. However, many people consider the New Moon or Full Moon birth to be especially significant spiritually.