Moon Phase Calendar
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About this app
Ever wonder what phase the moon is in tonight, or how many days until the next full moon? Moon Phase Calendar shows you exactly that — no internet connection needed, no ads blocking your view of the sky.
[ WHAT YOU GET ]
● Tonight's Moon, At a Glance
See the current phase name (New Moon, Waxing Crescent, First Quarter, and so on), illumination percentage, moon age in days, and lunar day — all rendered as a real moon disc that fills in exactly as much as the sky does tonight.
● Next Full Moon Countdown
A live countdown to the next full moon, plus the exact date and time for the next new moon, first quarter, and last quarter. Tap any of them to jump straight to that date on the calendar.
● Full Month at a Glance
Swipe through a monthly calendar grid with a tiny moon icon and illumination percentage on every single day. Full moons, new moons, and quarter phases are highlighted so you can plan around them.
● Day Detail
Tap any date to see its exact moon phase, illumination, moon age, and lunar day in a clean detail view.
● Northern or Southern Hemisphere
The moon disc flips automatically for the Southern Hemisphere, so the light and shadow sides match what you actually see outside.
● Works Completely Offline
All calculations run on your phone using established astronomical approximations (Meeus/Conway) — no server, no account, no waiting for a page to load.
[ WHO THIS IS FOR ]
- Photographers timing a shot around a full or new moon
- Gardeners and growers who plant by the lunar calendar
- Anglers checking moon phase for fishing conditions
- Anyone into astrology or lunar rituals
- Campers and stargazers planning around moonlight
- Anyone who's just curious what's going on up there tonight
[ GOOD TO KNOW ]
Phase times are computed astronomically and may differ by a few minutes from official almanacs depending on your location and timezone — this is a lightweight astronomical calculator, not a substitute for a professional ephemeris. Available in 37 languages, with light, dark, and system theme support.
Check it once tonight, and you'll probably check it again tomorrow.
[ WHAT YOU GET ]
● Tonight's Moon, At a Glance
See the current phase name (New Moon, Waxing Crescent, First Quarter, and so on), illumination percentage, moon age in days, and lunar day — all rendered as a real moon disc that fills in exactly as much as the sky does tonight.
● Next Full Moon Countdown
A live countdown to the next full moon, plus the exact date and time for the next new moon, first quarter, and last quarter. Tap any of them to jump straight to that date on the calendar.
● Full Month at a Glance
Swipe through a monthly calendar grid with a tiny moon icon and illumination percentage on every single day. Full moons, new moons, and quarter phases are highlighted so you can plan around them.
● Day Detail
Tap any date to see its exact moon phase, illumination, moon age, and lunar day in a clean detail view.
● Northern or Southern Hemisphere
The moon disc flips automatically for the Southern Hemisphere, so the light and shadow sides match what you actually see outside.
● Works Completely Offline
All calculations run on your phone using established astronomical approximations (Meeus/Conway) — no server, no account, no waiting for a page to load.
[ WHO THIS IS FOR ]
- Photographers timing a shot around a full or new moon
- Gardeners and growers who plant by the lunar calendar
- Anglers checking moon phase for fishing conditions
- Anyone into astrology or lunar rituals
- Campers and stargazers planning around moonlight
- Anyone who's just curious what's going on up there tonight
[ GOOD TO KNOW ]
Phase times are computed astronomically and may differ by a few minutes from official almanacs depending on your location and timezone — this is a lightweight astronomical calculator, not a substitute for a professional ephemeris. Available in 37 languages, with light, dark, and system theme support.
Check it once tonight, and you'll probably check it again tomorrow.
Tonight's moon phase, illumination, and the next full moon — offline.
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- No data collectedLearn more about how developers declare collection
- Data is encrypted in transit
