Lunar Calendar — calculate your moon phase

Birth moon phase — Which moon phase were you born in? New moon, waxing, full moon or waning — each phase shapes your emotional foundation.

Moon sign & house — In which zodiac sign and which house did the moon stand at your birth? This determines your emotional language and your needs.

Lunar cycles in life— The lunar nodes in your chart reveal your karmic direction and your soul's development over the years.

A moon phase is nothing mystical, but pure geometry: it describes how much of the moon's illuminated half you can see from Earth. What matters is the angle between the Sun, the Earth and the Moon. When the Sun and Moon appear together from the same vantage point, it's a new moon; when they sit opposite each other, it's a full moon.

The complete cycle from new moon to new moon lasts about 29.5 days — the synodic month. From this come the eight classic phases: new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter and waning crescent.

When you calculate your birth moon phase, the lunar position is determined for the date and time of your birth and sorted into these eight phases. So it isn't about zodiac sign or ascendant, but solely about the relationship between Sun and Moon in the moment you came into the world.

The phase you were born in is traditionally read as a hint about an underlying rhythm — about the way you begin, develop and complete things. A new moon birth often stands for drive and an instinctive start without long preamble, sometimes at the expense of patience. A full moon birth points more toward awareness, tension between opposites and a strong need to be seen.

The waxing phases are associated with building, learning and forward motion, the waning ones with reflection, letting go and passing on experience. No phase is better than another — they simply describe different approaches to the same cycle.

Important: this is an interpretive framework, not destiny. Such attributions work best as a prompt for self-observation. If you recognize yourself, it gives you a language for patterns you have long sensed. If you don't recognize yourself, that is just as revealing.

You can use the current moon as a simple metronome for your planning — not because the moon controls you, but because an outer rhythm helps you structure your own undertakings. Many people use the new moon to set goals, and the days afterward to make a concrete start.

The full moon phase is well suited to taking stock: what has happened since the last new moon, what is working, what is stuck? The waning phase invites you to finish tasks, cut out what's superfluous and ease off the pace before the next cycle begins.

Don't confuse the lunar calendar with astrology in the narrower sense. The moon phase says nothing about your zodiac sign or your birthplace — it only describes the moon's light. It is precisely this simplicity that makes it a practical tool you can apply right away without much prior knowledge.