Moon Phases, Moonrise and Moonset Explained

The Moon moves through eight phases roughly every 29.5 days: new, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, third quarter, and waning crescent, as it circles Earth and sunlight lights up a changing slice of its near side, according to NASA. Moonrise and moonset also creep about 50 minutes later each day because the Moon is sliding eastward along its own orbit, not just riding along with Earth's spin, per EarthSky. And because moonlight is bright enough to drown out faint stars and meteors, the phase you pick to go stargazing matters as much as the weather, as EarthSky explains. Below: every phase in plain language, why the clock keeps shifting, and a table of every full moon and supermoon from October 2026 through December 2027, plus a link to our live /moon tool for moonrise and moonset at your own location tonight.

The Eight Moon Phases, in Order

The Moon does not produce its own light. What changes from night to night is how much of its sunlit half faces Earth, and NASA lists the cycle in this order:

1. New Moon. The Moon sits between Earth and the Sun, so its near side is unlit and it rises and sets with the Sun, invisible in the daytime sky.
2. Waxing Crescent. A thin sliver of light appears on the right side (for Northern Hemisphere observers) and grows night by night.
3. First Quarter. Exactly half the visible disk is lit. The Moon is high in the sky at sunset and sets around midnight.
4. Waxing Gibbous. More than half the disk is lit, and the sliver of shadow keeps shrinking.
5. Full Moon. The Moon sits opposite the Sun in the sky, its whole near side lit, rising around sunset and setting around sunrise.
6. Waning Gibbous. The lit portion starts shrinking from the right edge.
7. Third Quarter (also called last quarter). Half the disk is lit again, but the opposite half from first quarter, and the Moon now rises around midnight.
8. Waning Crescent. A thin sliver remains, visible in the pre-dawn sky just before the cycle resets to new moon.

That full cycle, new moon to new moon, is called a synodic month and averages 29.5 days. The Moon's actual orbit around Earth (one full 360-degree lap, relative to the stars) only takes about 27.3 days; the extra two days happen because Earth itself is moving around the Sun at the same time, so the Moon has to travel a little farther each month to catch back up into the same Sun-Earth-Moon alignment, NASA notes.

Why Moonrise (and Moonset) Shift About 50 Minutes a Day

If you watched the Moon rise at 8:00 p.m. last night, expect it closer to 8:50 p.m. tonight, not because Earth's rotation changed, but because the Moon itself moved. Each day the Moon travels about 12 to 13 degrees further east along its orbit, and Earth's rotation needs roughly 50 extra minutes to carry any given spot on the ground back around to where the Moon now sits, EarthSky explains. That 50-minute figure is an average: the actual daily shift can be as short as 20 to 30 minutes or as long as over an hour, depending on the season, your latitude, and the angle at which the Moon's path crosses the horizon.

The US Naval Observatory defines moonrise and moonset the same way it defines sunrise and sunset: the moment the Moon's upper edge crosses the horizon, adjusted for atmospheric refraction. Because the Moon is so much closer to Earth than the Sun, and its orbit is not a perfect circle, calculating exact rise and set times is more involved than for sunrise and sunset, which is why the Observatory publishes a year-long rise and set table rather than a simple formula. For a same-night answer without the math, our /moon tool calculates moonrise, moonset, and current phase for cities across the US and Canada, or for your own location, right in your browser.

One side effect of this eastward drift: around the full moon nearest the September equinox (the Harvest Moon), the day-to-day shift shrinks to as little as 20 to 30 minutes at mid-northern latitudes, so the Moon seems to rise at nearly the same time several nights running, an effect farmers once relied on to keep working fields after dark.

How Moon Phase Changes What You Can See at Night

Moonlight is sunlight, reflected, and a bright Moon in the sky works the same way as light pollution: it raises the sky's background brightness and buries anything faint. EarthSky puts the difference in concrete terms: the Moon at first or third quarter is only about a sixth as bright as a full Moon, three nights before full it is already about half as bright as full, and a full Moon itself is brightest of all thanks to an effect called the opposition surge, where sunlight bounces straight back at Earth with no shadowing.

That makes the new moon week the best stretch for faint targets: the Milky Way, dim deep-sky objects, and faint meteors are all easiest to see with no moonlight in the sky at all. Around full moon, plan around the Moon instead of against it: watch after moonset or before moonrise, or point away from the Moon's part of the sky. This is exactly the calculation that matters for meteor showers, where the "shooting stars" themselves are often faint:

• The Orionids peak October 21, 2026 with the Moon largely out of the way, favoring the pre-dawn hours.
• The Leonids peak November 17, 2026; watching after moonset gives the darkest skies.
• The Geminids, the year's most reliable shower, peak December 13, 2026 with the Moon setting in early evening, the single best meteor night of the stretch.
• The Ursids peak December 22, 2026 under a bright Moon, so do not expect a big show.
• The Quadrantids peak overnight January 3 to 4, 2027, with a narrow, cold-weather window.

Our /meteor-showers calendar tracks moon illumination against every peak night, and the /events hub lists these alongside every other date on this page. Bright, moonless weeks are also the nights worth building a trip to a certified dark-sky site around; see /dark-sky-parks for the full US and Canada list.

Full Moon Names, Blue Moons, and Supermoons

Long before electric light, farmers and other observers tracked the seasons by naming each month's full moon, a tradition the Old Farmer's Almanac still keeps and that NASA traces back to a mix of Native American, colonial American, and European sources: October's Hunter's Moon (once the light hunters used to track game after harvest), December's Cold Moon, and so on through the year.

A supermoon is not a separate phase; it is a full Moon that happens to coincide with perigee, the point in the Moon's slightly elliptical orbit where it is closest to Earth. At that distance the Moon can look up to 14% bigger and 30% brighter than the faintest (farthest) full Moon of the year, and supermoons cluster together, occurring three to four times in a row each year rather than being spread evenly across the calendar.

A blue moon is unrelated to color: it is either the second full Moon in a single calendar month, or the third of four full Moons in one season, an event that comes around roughly every two and a half years, per NASA. None of the full moons below qualify as a blue moon; the next one is not on this table.

Upcoming Full Moons and Supermoons, October 2026 to December 2027

Dates and names from the CycleCalcs full moon calendar and the Farmers' Almanac. Our /events hub keeps this list current as new dates are added, alongside meteor showers and eclipses.

Find Tonight's Moonrise, Moonset, and Phase

Rather than sending you to a third-party lookup, darkskiesdirectory.com runs its own live tool. Open /moon, pick a US or Canadian city from the list, or let it use your device's location, and it calculates the current phase, percent illuminated, and today's moonrise and moonset times directly in your browser using the open-source SunCalc library, no lookup table or page reload needed. It is the fastest way to answer "what phase is the Moon tonight" or "when does the Moon set where I am," and it pairs naturally with the /meteor-showers calendar and /dark-sky-parks directory when you are picking the darkest night for a trip.