Moon Phases Explained: From New Moon to Full Moon

March 03, 2026

The Moon completes a full cycle roughly every 29.5 days, passing through eight distinct phases as it orbits the Earth. Each phase changes the Moon’s appearance in the night sky and has carried symbolic meaning across cultures for thousands of years.

Check what phase the Moon is in right now with our Moon Phase Today tool.

How the Lunar Cycle Works

The Moon doesn’t produce its own light — it reflects sunlight. The phases we see are caused by the changing angle between the Sun, Moon, and Earth as the Moon orbits our planet. When the Moon is between the Earth and Sun, we see little or no illumination (New Moon). When the Earth is between the Sun and Moon, we see the fully lit face (Full Moon).

One complete cycle from New Moon to New Moon is called a synodic month, lasting approximately 29.53 days.

The Eight Moon Phases

1. New Moon

The Moon sits between the Earth and the Sun, with its illuminated side facing away from us. The sky is dark — the Moon is invisible or nearly so.

Symbolism: New beginnings, setting intentions, planting seeds. Many traditions treat the New Moon as a reset point — a time to reflect on what you want to create in the cycle ahead.

2. Waxing Crescent

A thin sliver of light appears on the Moon’s right side (in the Northern Hemisphere). Illumination grows from about 1% to 49%.

Symbolism: Intention, hope, first steps. The energy is building but still fragile. This is the phase for committing to the intentions you set at the New Moon.

3. First Quarter (Half Moon)

Exactly half the Moon’s face is illuminated. The Moon has completed one quarter of its orbit.

Symbolism: Decision, action, overcoming obstacles. The First Quarter often brings a challenge or turning point that tests your resolve. It’s a time to push through resistance.

4. Waxing Gibbous

More than half but not yet fully illuminated — roughly 51% to 99% lit. The Moon appears nearly full.

Symbolism: Refinement, patience, adjustment. You can see the results of your efforts beginning to take shape. This is the phase for fine-tuning rather than starting over.

5. Full Moon

The entire face of the Moon is illuminated by the Sun. This is the brightest and most visible phase.

Symbolism: Culmination, revelation, harvest. Whatever you planted at the New Moon reaches its peak expression. Emotions run high. Full Moons have been associated with heightened energy across nearly every culture on Earth.

6. Waning Gibbous

The light begins to recede. The Moon moves from full illumination back down toward 51%.

Symbolism: Gratitude, sharing, integration. The intensity of the Full Moon fades, and this phase invites you to share what you’ve gained and begin processing the cycle’s lessons.

7. Third Quarter (Last Quarter)

Half the Moon’s face is illuminated again, but on the opposite side from the First Quarter.

Symbolism: Release, forgiveness, letting go. This is the phase for clearing away what no longer serves you — habits, relationships, thought patterns, clutter.

8. Waning Crescent

Only a thin sliver remains. The Moon is approaching darkness again.

Symbolism: Surrender, rest, reflection. The cycle is ending. This is a time for stillness, introspection, and preparing for the renewal that the next New Moon will bring.

Moon Phases in Practice

Gardening

Lunar planting calendars have been used for centuries. The general principle:

• Waxing phases (New → Full): plant above-ground crops that bear fruit on the vine
• Waning phases (Full → New): plant root vegetables, bulbs, and perennials
• New Moon and Full Moon: best for rest and preparation, not planting

Rituals and Intention-Setting

Many spiritual traditions align their practices with the lunar cycle:

• New Moon rituals — journaling intentions, lighting candles, starting new projects
• Full Moon rituals — gratitude ceremonies, releasing rituals, energy clearing
• Eclipse seasons — amplified New or Full Moon energy, often seen as portals for major life shifts

Emotional Awareness

Whether or not you follow any lunar tradition, tracking the Moon’s phases can serve as a simple mindfulness practice. It gives you a natural rhythm to check in with yourself — roughly every two weeks at the New and Full Moons.

The Moon in Astrology

In astrology, the Moon represents your emotional nature, instincts, and subconscious patterns. Your birth chart reveals which zodiac sign the Moon occupied at your birth — your Moon sign — which shapes how you process feelings and what makes you feel secure.

The Moon also transits through all twelve zodiac signs approximately every 28 days, spending about 2.5 days in each sign. Many astrologers track these lunar transits alongside the phases for a richer picture.

Tracking Moon Phases

Our Moon Phase Today page calculates the current phase in real-time, showing you the phase name, illumination percentage, and lunar age (days since the last New Moon). Bookmark it and make it part of your daily check-in.