A low, flat arc at 55.8° north
Moscow sits as far north as the cloudy Scottish Highlands, and the moon's path shows it: every night the moon makes a shallow, flattened arc pressed against the southern horizon, staying low for most of the year. Winter full moons are the exception — they take the high summer-sun road, culminating around 60°, and shine for 15 hours or more above the horizon.
The moon loses the white nights
Around the June solstice, Moscow's sky never gets properly dark — the sun barely dips below the horizon and twilight floods the whole night. A full moon at that season is a pale disc in a bright sky, easily beaten by the glow. The moon owns Moscow's sky from September to March, when the long nights hand it the stage for hours at a time.
A moon phase is a global instant, not a local date
The single most common misunderstanding about moon phases is that they happen on a day. They do not. A phase is the exact moment the Moon reaches a particular angle relative to the Sun and Earth — and that moment is the same instant everywhere on the planet.
What differs is the clock reading and often the calendar date. Full moon at 03:00 UTC is full moon at 06:00 in Moscow on the same morning, but at 23:00 the previous evening in New York. So "the full moon is on the 14th" is only true in some time zones.
Moscow sits at UTC+3 and, since October 2014, has used that offset year-round with no daylight saving. That makes it one of the easier time zones to work with: the local time of a phase never shifts by an hour twice a year, so a given event is always three hours ahead of UTC.
The cycle and its length
Phases repeat on the synodic month — the time from one new moon to the next — which averages 29.530588 days, a little under 29 days 12 hours 44 minutes.
That number is not a fixed length of time in practice. The Moon's orbit is elliptical and its speed varies, so individual cycles swing by several hours in either direction and a lunation can run from about 29.2 to 29.9 days. This is why a moon calendar cannot simply be generated by adding 29.53 days repeatedly, and why the exact times on this page come from an ephemeris rather than arithmetic.
| Phase | Approximate illumination | What you see |
|---|---|---|
| New moon | 0% | Not visible; the Moon is between Earth and Sun |
| Waxing crescent | 1–49% | Thin crescent, lit on the right, visible after sunset |
| First quarter | ~50% | Right half lit, highest around sunset |
| Waxing gibbous | 51–99% | More than half lit, growing |
| Full moon | 100% | Fully lit, rises near sunset, highest near midnight |
| Waning gibbous | 99–51% | Shrinking, lit on the left |
| Last quarter | ~50% | Left half lit, highest around sunrise |
| Waning crescent | 49–1% | Thin crescent before dawn |
Why the moon rises later every day
The phase tells you how much of the Moon is lit. It does not tell you when the Moon is above the horizon — and in Moscow, as everywhere, that is a different calculation.
- The Moon rises roughly 50 minutes later each day on average, because it moves about 13° eastward along its orbit while Earth rotates once. The exact delay varies from roughly 20 minutes to over an hour depending on the angle of the Moon's path against the horizon.
- Moonrise also depends on latitude and longitude. Moscow at about 55.8°N is far enough north that the Moon's path can sit at a shallow angle to the horizon, which stretches the difference between successive rise times across the month.
- Season matters. The Moon's declination swings through the year, and at Moscow's latitude that changes both how high it climbs and how long it stays up.
The practical upshot: two cities can report the same phase instant while seeing the Moon at completely different points in their sky and at different clock times. Phase and rise time are separate tables, and a moon phase page that gives only the phase is only answering half the question.
At the opposite end of the latitude range, a tropical city like Mexico City watches the Moon climb to the zenith — the same physics, a completely different sky.Reading the numbers on this page
Each entry gives you three things, and it is worth knowing what each one is:
- The phase name — which of the eight principal phases the Moon is nearest to at that moment.
- The exact instant — the astronomical moment of the phase, expressed in Moscow time (UTC+3). Convert to your own offset by adding or subtracting the difference from +3.
- Illumination — the percentage of the disc that is lit, which is what you actually see. A gibbous moon at 84% looks very different from 51%, though both are "waxing gibbous".
If you are planning to observe, check the current phase and the moonrise time together, and pick the one that puts the Moon above the horizon during the hours you are awake.
Common mistakes
- Assuming a phase happens on a date. It happens at an instant; the date depends on your time zone. Moscow at UTC+3 can be a day ahead of the Americas.
- Forgetting Moscow has no daylight saving. It has been UTC+3 permanently since October 2014, so no seasonal correction is needed.
- Adding 29.53 days to generate a calendar. The lunation length varies by hours, and the error accumulates across a year.
- Confusing phase with visibility. A full moon is up all night; a new moon is up during the day and effectively invisible.
- Using a phase table as a rise-time table. The Moon rises about 50 minutes later each day, which the phase does not describe.
- Treating quarter moons as quarter-lit. First and last quarter are about half illuminated — the name refers to the fraction of the cycle, not the disc.
Watching the Moon from 55.8° north
Moscow’s Moon rides low along the southern horizon for most of the year, and the summer nights never fully darken. These are the items that suit that flat, low arc.
- 10x50 binoculars — A low Moon spends long hours up; a binocular shows its face comfortably without the bulk of a telescope and mount.
- Moon filter — Even low in the sky a bright Moon overwhelms the eye through optics; a moon filter restores the detail.
- Green laser pointer — For indicating the low southern arc of the Moon to others, where pointing by hand is ambiguous against a flat horizon.
- Planisphere — Shows how the Moon and the bright constellations that share its low path line up on a given night.
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Sources and standards
Where these figures come from
Every number on this page is taken from the reference material below rather than from memory. Where a value changes with a game or platform update, the page says so and tells you where to check it.
- NASA — Moon phases — phase geometry, the eight principal phases and illumination.
- timeanddate.com — Moon phases in Moscow — local Moscow phase times, moonrise and moonset.
- US Naval Observatory — astronomical almanac data: synodic month length and ephemeris reference values.
Figures, formulas and reference tables last verified: 24 September 2026