Astrology CalendarMercury Retrograde 2027: The Exact Dates
Three windows in 2027, with stations to the minute and the degrees each one covers. Computed from an ephemeris, not copied, and dated so you can tell.
Moon Phases
Full Moon in Cancer: Dates, Degrees and Meaning
Full Moon in Cancer is a culmination: the feeling you have been managing rather than having. Every date for the next six years computed from the ephemeris, which ones are eclipses, and how to tell whether one is yours.
The short answerFull Moon in Cancer is a culmination in the territory Cancer covers, which the old keyword sums up as "I feel". In practice: the feeling you have been managing rather than having. The Sun sits opposite in Capricorn, which is what makes it full. The next one is December 23, 2026, 8:28 PM ET.
Every Full Moon in Cancer, with dates
A full moon lands in each sign roughly once a year, because the Sun takes a year to go round and the lunar month fits into it about twelve and a half times. These are computed from the ephemeris, in US Eastern time.
| Date | Exact degree | Also an eclipse? |
|---|---|---|
| December 23, 2026 | 2°14' Cancer | No |
| January 11, 2028 | 21°28' Cancer | Yes, a partial lunar eclipse |
| December 31, 2028 | 10°33' Cancer | Yes, a total lunar eclipse |
| January 19, 2030 | 29°37' Cancer | No |
| January 8, 2031 | 18°17' Cancer | No |
| December 28, 2031 | 6°47' Cancer | No |
The degree matters more than most pages admit. A lunation only means much for you personally if that degree is close to something in your own chart, within a few degrees. A full moon at 12 degrees of Cancer is a significant week for somebody with a planet at 11 degrees of Cancer and an ordinary one for everybody else.
One of these is an eclipseAn eclipse is a lunation that happens near one of the Moon's nodes, which is the only place the Sun, Moon and Earth can line up exactly. Eclipses are read as the same thing turned up: faster, less optional, and with effects that tend to show up over months rather than days. What the nodes are is covered here.
What a full moon actually is
At a full moon the Moon is exactly opposite the Sun, which is why it is fully lit and why it rises as the Sun sets. Astrologically that opposition is the whole meaning: two ends of an axis, both visible at once, which is why full moons have the reputation for bringing things to a head.
The sign tells you the subject. Cancer is Water, Cardinal, ruled by the Moon, and its keyword is I feel. So a full moon here puts the feeling you have been managing rather than having on the table.
| Moon in | Cancer |
| Sun in | Capricorn |
| Element and mode | Water, Cardinal |
| Ruled by | the Moon |
| Good for | finish, decide or let go of something already underway |
| The Cancer version | the feeling you have been managing rather than having |
The Cancer and Capricorn axis
A full moon is always an opposition, so it is never about one sign alone. The Moon in Cancer wants i feel; the Sun opposite in Capricorn wants i build. Those two pull against each other and the full moon is the point where you can see both at once.
That is why full moons feel like a reveal rather than an event. Nothing new arrives. Something already running becomes impossible to keep ignoring, which is a different and usually more uncomfortable thing.
Which part of your life it lands in
The sign is the same for everybody. The house it falls in is not, and that is what decides whether a lunation is about your job, your money or your marriage. On whole sign houses, which is the system this uses, it follows directly from your rising sign.
| Rising sign | House it lands in | So it is about |
|---|---|---|
| Aries | 4th | home, family and property |
| Taurus | 3rd | talking, learning, siblings, short trips |
| Gemini | 2nd | money you earn and what you own |
| Cancer | 1st | you, your body, how you come across |
| Leo | 12th | rest, grief and what nobody sees |
| Virgo | 11th | friends, groups and hopes |
| Libra | 10th | career and reputation |
| Scorpio | 9th | travel, study and belief |
| Sagittarius | 8th | shared money, intimacy and endings |
| Capricorn | 7th | partnership, marriage and open conflict |
| Aquarius | 6th | daily work, health and routine |
| Pisces | 5th | romance, children and creative work |
That table is the single most useful thing on this page. A full moon in Cancer is a career event for one person and a money event for another, and which one it is for you is fixed by a birth time rather than by a birthday.
What to do with it
- Check the degree in the table against your own chart. If nothing of yours is within about three degrees, this is a calendar entry rather than an event.
- Keep it to one thing. A full moon is better at letting one thing go than at resolving everything at once.
- The Cancer version of the job: let somebody look after you once.
- Give it a fortnight. A new moon's results show at the full moon two weeks later; a full moon's clearing shows at the new moon two weeks after that.
What the Moon does and does not doThe Moon moves the tides because it pulls on an entire ocean. It does not measurably pull on a person: the tidal force across a human body is smaller than the force of the person sitting next to you. The large studies looking for lunar effects on births, psychiatric admissions and crime have not found them. None of that makes a lunar practice pointless. It makes it a calendar: a recurring, visible, shared prompt to stop and check what you are doing, which is a real use and an honest description of one.
If you want to know whether this one is yours
That depends on where Cancer falls in your chart, which needs your birth time. The same full moon lands in your career house, your money house or your marriage house depending on what was rising when you were born. Here is how to find your birth time.
Questions people ask
When is the next Full Moon in Cancer?
December 23, 2026, 8:28 PM ET, at 2°14' Cancer.
What is the Full Moon in Cancer good for?
Finish, decide or let go of something already underway. The Cancer version: the feeling you have been managing rather than having.
Where is the Sun during a Full Moon in Cancer?
In Capricorn, exactly opposite. That opposition is what makes the Moon look full.
Does a full moon affect everyone?
Only loosely. It matters to you personally when its degree is within a few degrees of something in your own chart. Otherwise it is a date in a shared calendar.
RubyAstro writes about astrology for reflection and self-understanding. Nothing here is medical, legal or financial advice, and none of it is a prediction of events. Read our full disclaimer.
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