If a clean slate is what you’ve been waiting for, the December 19 New Moon in Sagittarius is here to provide just that. This New Moon invites a warm, down-to-earth approach to seeking clarity, honoring the truth, and embracing real changes in life.
This New Moon is infused with a heartfelt message: new beginnings are upon us, and they’re deeply tied to truth and justice. Falling in Sagittarius, particularly within Mula Nakshatra, encourages the uprooting of falsehoods to allow for honest growth. As new moons signify fresh starts, Sagittarius emphasizes justice and truth. The essence of Mula is about clearing out the old for a new birth, setting the tone for introspection and transformation.
Below, readers will find the key details about this lunation, why it carries significant energy, and practical ways to harness its power.
Key Details at a Glance
- New Moon Date and Time: Friday, December 19, 2025, at 8:43 p.m. Eastern (Saturday, December 20, 01:43 GMT).
- Sign: Sagittarius (Vedic focus; also relevant in Western astrology).
- Nakshatra: Mula (the “root”), emphasizing the removal of falsehoods to reveal truth.
- Backdrop: Neptune turned direct on December 10, 2025, enhancing the theme of clarity and truth during this lunation.
- Tension: A quincunx to Uranus introduces sudden changes that necessitate quick adjustments.
- Heat: Mars approaches the Sun, signaling a rise in tempers and passions as the year closes.
Why This New Moon Feels So Strong
This New Moon serves as a catalyst for truth and justice. Emphasizing Sagittarius’s straightforwardness, it encourages individuals to seek honesty and make choices that reflect true values.
The presence of Mula Nakshatra further deepens this message. Mula means “root” and is associated with the goddess Nirṛti, connected to the dissolution of outdated beliefs and practices. This lunation may inspire taking action—like clearing out a closet or addressing lingering issues—to make room for honest growth. It’s akin to weeding a garden to allow for new life to thrive.
The emphasis on honest beginnings echoes the general astrological sentiment: as we dismantle old structures, we create space for something new and authentic to emerge.
The Sky Picture: What the Planets Are Doing
1. The Moon Goes Dark on December 19
The exact New Moon occurs at 8:43 p.m. Eastern. New Moons symbolize quiet contemplation and fertile beginnings. This period marks a 29.5-day cycle where intentions can be set for groundwork in the coming weeks.
2. Neptune Turns Direct on December 10
With Neptune—the planet of dreams and clarity—moving direct, fuzzy dreams begin to make sense. As hidden matters come to light, it aligns with the New Moon's theme of unveiling truths and empowering fact-based decisions.
3. Uranus Introduces Surprise Changes
The quincunx aspect with Uranus brings the possibility of unexpected moments that require quick adaptations. Surprises could affect routines and values, reminding us to lean into flexibility when challenges arise.
4. Heat Rises as Mars Approaches the Sun
As Mars edges closer to the Sun, passions may heighten, and tempers could flare. This phase could be intense, suggesting careful communication until tensions ease post-New Year.Sagittarius + Mula: The Truth Root
The interplay of Sagittarius and Mula encourages honest reflection and clear intentions. Sagittarius champions truthfulness, while Mula’s emphasis on rooting out deception lays the foundation for genuine growth. Together, they advocate for uprooting what is no longer beneficial, ensuring that truth prevails.
What “Justice” Looks Like in Real Life
“Justice” doesn’t have to be a grand concept; it can often be demonstrated in everyday actions. Honoring commitments, respecting others' time, and communicating honestly are powerful ways to practice justice in life.
During this New Moon, consider introducing a “truth check” into the routine to stay aligned with personal values. This could involve questioning the accuracy of a narrative before judging it.