Ephemeris · noon UTC
In one paragraph
On December 15, 2025 the Moon is in Scorpio at 4°02' Scorpio and the Sun is in Sagittarius at 23°46' Sagittarius. The lunar phase is a waning crescent, 18 per cent illuminated. Jupiter and Uranus are retrograde on December 15, 2025. MyMysticDay computes these positions on its own servers for noon UTC using the lunar and solar series from Jean Meeus’s Astronomical Algorithms and NASA JPL Keplerian elements for the planets, rather than reading them from a third-party ephemeris.
4°02' Scorpio
18% illuminated
23°46' Sagittarius
Jupiter, Uranus
Positions
Ecliptic longitude for noon UTC on December 15, 2025, computed on this site rather than requested from an ephemeris service.
| Body | Sign | Degree | Motion |
|---|---|---|---|
| Sun | Sagittarius | 23°46' | Direct |
| Moon | Scorpio | 4°02' | Direct |
| Mercury | Sagittarius | 4°36' | Direct |
| Venus | Sagittarius | 18°27' | Direct |
| Mars | Capricorn | 0°09' | Direct |
| Jupiter | Cancer | 23°19' | Retrograde ℞ |
| Saturn | Pisces | 25°30' | Direct |
| Uranus | Taurus | 28°29' | Retrograde ℞ |
| Neptune | Pisces | 29°22' | Direct |
| Pluto | Aquarius | 2°15' | Direct |
| North Node | Pisces | 13°03' | Direct |
The Moon
The Moon is the fastest body in any chart — roughly half a degree an hour, and two to three days in a sign. It is the reason two consecutive days feel different from one another at all, and the one position on this page that changes materially between morning and evening.
Leaves Scorpio December 17, 17:00 UTC
Elongation from the Sun 310.26°
Retrogrades
Jupiter and Uranus are retrograde on December 15, 2025.
A retrograde planet is not reversing. It appears to move backward from Earth because the two orbits are passing each other, the way a slower train appears to slide backward from a faster one. MyMysticDay determines it by comparing a planet’s longitude a short interval apart, so a station is dated to the day it happens rather than read from a table.
Aspects between the moving bodies
Angles the planets are making to each other on December 15, within half the orb a natal chart would allow — tight enough to be news about a particular day. These are the same for everyone; what differs is which of your own degrees they land on.
The part that is about you
Every figure on this page applies to all eight billion of us equally. What makes a day yours is which of these degrees is standing on one of your own — and that takes your birth chart, not your sun sign. The daily reading is free and needs no account.
Method
Solar and lunar longitudes follow the standard series published in Jean Meeus’s Astronomical Algorithms; the planets follow NASA JPL’s Keplerian elements with their secular rates, solved for eccentric anomaly and projected onto the ecliptic. Retrograde motion is determined by comparing longitudes a short interval apart rather than assumed from a table. Every figure on this page was computed by this application — no part of it is requested from a third-party ephemeris.
Positions are given for 12:00 UTC. A date is a whole day and the bodies move through it, so noon is the midpoint: the positions shown are the ones true for the largest part of the day across the largest number of time zones. Only the Moon moves fast enough for the choice to change the figure materially.
The full specification — the house system, the aspect orbs, the tolerances the engine is tested against on every deploy — is published on the methodology page. Astrological interpretation elsewhere on this site is presented as a reflective framework rather than as fact; the astronomy on this page is simply arithmetic, and it can be checked against any published ephemeris.
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