Live coordinate
The Moon’s geocentric tropical longitude and sign-degree position.
Direct answer
This page reads the Moon and Sun from the current-positions API. Their longitude difference supports a broad phase-family estimate. It is not an exact phase-event time, illumination percentage, moonrise time, or promise that the Moon is visible where you are.
Quick facts
Derived label
An eight-part phase family estimated from the Moon-Sun longitude difference.
Local caution
Moonrise, moonset, altitude, direction, and visibility are not calculated on this page.
Verified current positions · refreshes hourly
The Active Transits Sky Map
Current geocentric longitudes. No local rise, set, altitude, direction, weather, or future visibility is inferred.
The phase family is derived from current Sun and Moon longitude. It is not an exact phase-event time, illuminated fraction, moonrise calculation, or local visibility forecast. Void-of-course hours for the two weeks ahead, and the next sign changes, are measured on the Void-of-Course Moon Calendar.
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What “the Moon today” can mean
People asking for the Moon today may mean its illuminated shape, its location among the stars, its zodiac sign, or the time it rises. Those are related but different questions. The live instrument answers one precisely: geocentric ecliptic longitude at the source timestamp. It also derives a broad waxing or waning phase family from the angular difference between the Sun and Moon.
How the phase-family estimate works
At a new Moon, Sun and Moon longitudes are close; near full Moon they are roughly 180 degrees apart. Dividing that elongation into eight 45-degree sectors produces familiar families such as waxing crescent, first-quarter family, waxing gibbous, and full-Moon family. Exact quarter and full phase moments require a dedicated ephemeris calculation, so the live card deliberately says “family” instead of claiming an event time.
Why the Moon may not be visible
A phase name does not place the Moon above your horizon. Visibility changes with local time, latitude, longitude, lunar altitude, sunlight, weather, terrain, and buildings. A thin crescent may also be optically difficult even when geometry is favorable. Consult a location-aware rise/set service and local weather rather than inferring visibility from the sign or phase card.
A practical observing note
For a simple observing log, record the UTC observation time, your location, sky clarity, the Moon’s apparent shape, and its direction and height by direct observation. Comparing those notes through a month teaches the relationship among phase, elongation, and the Moon’s changing schedule without turning a general web page into a false local forecast.
The symbolic Moon is a second layer
Astrological traditions associate the Moon with rhythm, feeling, memory, and habit. That interpretation is not part of the measured coordinate and should not be presented as a physical effect. Use symbolic language as optional reflection, while decisions about travel, safety, sleep, or health should rest on relevant evidence and professional guidance.
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Sources and live-data notes
- NASA: Moon phases ↗Phase geometry and the repeating sequence of illuminated lunar appearances.
- NASA: Moon Phase and Libration, 2026 ↗A year-specific visualization from NASA; use it for the 2026 lunar sequence, not local rise or set.
- U.S. Naval Observatory: Astronomical Data ↗Authoritative astronomical data services and event tables.
- U.S. Naval Observatory: Rise, Set, and Twilight Definitions ↗Definitions for location-dependent rise, set, and twilight calculations.
- The Great Almanac live APISame-origin gateway for the validated hourly current-position snapshot; the upstream source is identified in the response metadata.
Continue through the Sky & Time Almanac
Cluster hubSky & Time AlmanacAll observation guides, live instruments, and source boundaries.
Lunar cycle · geometry firstMoon PhasesExact UTC dates and times of the upcoming new Moons, quarters, and full Moons, with a clear explanation of why the Moon changes shape through its 29.5-day cycle.
Observed sky · hourlyLive Sky TodaySee the exact Active Transits sky map from the webapp, using hourly geocentric longitudes for the Sun, Moon, planets, nodes, Chiron, and Lilith.
Sun, Earth, Moon · alignmentEclipsesA grounded guide to solar and lunar eclipse geometry, paths of visibility, local circumstances, Saros cycles, and safe observation.
Celestial coordinates · time seriesEphemerisUnderstand ephemerides, ecliptic longitude, coordinate frames, time standards, retrograde notation, interpolation, and the limits of a current snapshot.
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Common questions
Does this page show the exact Moon phase?
It shows a broad eight-part phase family derived from current Sun-Moon longitude. Exact phase event times and illuminated fraction require dedicated lunar calculations.
Why is there no moonrise time?
Rise and set depend on location and date. This page has no location input, so it does not fabricate a local time.
What does the Moon sign mean here?
It is the 30-degree tropical zodiac sector containing the Moon’s current geocentric longitude. Any symbolic meaning is a separate interpretive tradition.
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