The figures
At 01:43 UTC on Saturday, December 20, 2025 the Moon and the Sun meet at 28°25' Sagittarius. The distance is 403,492 km, 19,092 km further out than the 384,400 km average — near enough to the mean that the apparent size is unremarkable. The degree, 28°25' Sagittarius, places it in the third decan of Sagittarius, on the axis that runs across to Gemini. It is the 24th of the 24 lunations dated for 2025, and the cycle it belongs to is set out in what a lunation is.
Exact time where you are
That instant — 01:43 UTC on December 20, 2025 — is one moment worldwide, and only the clock reading changes, with summer time applied wherever the local rule puts the date inside it.
| City | Local time | Local date |
|---|---|---|
| New York | 20:43 the day before | 19 December |
| Los Angeles | 17:43 the day before | 19 December |
| London | 01:43 | 20 December |
| Delhi | 07:13 | 20 December |
| Sydney | 12:43 | 20 December |
| Istanbul | 04:43 | 20 December |
Which house it falls in for your sign
Counted from each sign as the first house, this new moon at 28°25' Sagittarius falls here:
| Sign | House | What that house covers |
|---|---|---|
| Aries | 9th house | distance, study, belief, travel and the long view |
| Taurus | 8th house | shared money, debt, intimacy and what is not said out loud |
| Gemini | 7th house | partners, opponents and anyone you deal with one to one |
| Cancer | 6th house | work, routine, health and the small maintenance of a life |
| Leo | 5th house | play, romance, children and anything you make for its own sake |
| Virgo | 4th house | home, family, roots and private ground |
| Libra | 3rd house | conversation, short trips, siblings and daily information |
| Scorpio | 2nd house | money, possessions and what you consider yours |
| Sagittarius | 1st house | your own bearing, appearance and the first move |
| Capricorn | 12th house | rest, solitude, what is behind you and what runs unattended |
| Aquarius | 11th house | friends, groups, networks and what you are aiming at |
| Pisces | 10th house | career, public standing and what you are known for |
A new moon in Sagittarius
Anything within a couple of degrees of 28°25' Sagittarius in a natal chart is contacted directly by this one, and so is anything near the same degree of Gemini, Pisces or Virgo, since those are the other three corners of the same cross.
What the new moon of December 20, 2025 marks is a position rather than an event: 28°25' Sagittarius, in the third decan, with the Sun at 28°25' Sagittarius. The house it occupies in your own chart matters more than the sign name, and the table above gives that house for 28°25' Sagittarius, sign by sign.
Where this one sits in the cycle
The lunation before this one fell 16 days earlier and the next follows 14 days after December 20, 2025.
- Before it: the full moon of December 4, 2025
- After it: the full moon of January 3, 2026
- The last new moon in Sagittarius: December 1, 2024
Questions people ask about this
What time is the new moon on December 20, 2025?
01:43 UTC on December 20, 2025; the table above converts that single instant to six local clocks.
What sign is this new moon in?
28°25' Sagittarius — the third decan. The chart reading for December 20, 2025 works from that degree rather than from the sign name on its own.
Does a new moon cause anything?
No. On December 20, 2025 the Moon simply reaches 28°25' Sagittarius; what the chart gives is a position and a house, not an event.