Monthly Lunar Calendar
Pick a month to see its full moon phase calendar — every full and new moon date, computed astronomically.
What Each Month's Page Covers
Each month below links to a dedicated page covering that specific month's lunar calendar: the exact date and time of its full moon (with a link through to that moon's full traditional-name page), its new moon date — the month's genuine dark-sky window, when the Moon's glow isn't washing out fainter stars, meteors, or deep-sky targets — plus real, month-specific detail on seasonal sky conditions, nearby meteor showers, and practical notes for anglers and gardeners following older lunar-timing traditions.
Every date on every one of these pages is computed from real orbital mechanics (via the astronomy-engine library), not estimated from an average cycle length or copied from a static table. That distinction matters more than it might seem: the Moon's actual angular speed varies enough through its elliptical orbit that a simple 29.53-day average would drift measurably from the real date within a single year, which is why this calendar recomputes the real astronomy for each month rather than repeating a fixed pattern.
The Rolling 18-Month Window
The eighteen months below run from the current month through roughly a year and a half out — a rolling window that always covers "now through the next year and a half," recomputed from today's real date rather than frozen at some earlier point. If you're looking for a specific full moon's traditional name and folklore rather than a whole month's calendar, our full-moon section covers each occurrence individually, and our moon-names section covers the deeper history behind each of the twelve traditional names plus the Harvest Moon and Blue Moon.
Beyond the full and new moon dates, every month's page also covers genuine seasonal context: which meteor shower (if any) peaks near that month's New Moon window, what constellations are well placed that time of year, and practical notes for anglers following solunar timing and gardeners following the traditional lunar planting calendar — including, on several months, a look at the older, more granular zodiac-sign planting classification (fruitful water signs, barren fire and air signs, semi-fruitful earth signs) layered on top of the simpler waxing/waning rule.
Where the same calendar month appears twice across this 18-month window — July, August, September, and so on each show up in both years covered — the two pages are written to be genuinely different, not a copy with the year changed: different exact full-moon date and zodiac sign, different proximity to that year's meteor showers, and a different specific angle on what makes that particular month's occurrence notable.
Full Moon vs. New Moon, Quickly
If you only care about the full moon and not the rest of a month's lunar calendar, our full-moon section links directly to each occurrence's dedicated page. If you want to understand the mechanics behind why full and new moons happen roughly every 29.53 days at all, our phases section explains the underlying cycle from first principles, and our guides hub covers the physical astronomy — tides, eclipses, why the Moon looks different near the horizon — in full depth.
Pick a month below, or start with the current one — it's always listed first, since this calendar is a rolling 18-month window recomputed from today's real date rather than a fixed list that goes stale.
A quick reminder if you're unfamiliar with how full and new moons relate: a full moon is when the whole visible disc is lit (Earth roughly between Sun and Moon); a new moon is when almost none of it is (the Moon roughly between Earth and Sun). They're always about two weeks apart, and together they bookend the two halves of a single roughly 29.53-day lunar cycle.
Each month's page also notes something genuinely specific to that occurrence rather than a repeated seasonal average: whether that month's full moon carries a real astronomical eclipse alongside it (a handful genuinely do, in this current window — see the relevant full-moon page for the exact eclipse timing where that's the case), how quickly day length is changing that particular week, and what real deep-sky targets (a meteor shower, a bright star cluster, the Milky Way's core) happen to be well placed that specific month for anyone stepping outside with binoculars rather than just watching the Moon itself.