The average time from one matching lunar phase to the next.
A CLEARER WAY TO PLAN A MOONLIT NIGHT
Tonight's Moon,
without the guesswork
See the Moon's phase and brightness, explore moonrise and hourly positions for cities around the world, and plan your next observation. The city tool uses local time; the annual calendar uses KST.
EXPLORE & KEEP
Every date has a Moon
No installation or account needed.
Your birthday Moon
What did the Moon look like on your birthday? Compare two dates and save a picture to keep.
A calendar for any year
Explore daily Moon phases from 1900 to 2100. Choose a city and browse the months in local time.
Your observing plan
Explore hourly positions, keep a note, and download a calendar event. Everything works on the web.
MOON TOOLS & GUIDES
Start with the question you have tonight
The daily tool gives the quick answer. Calendars and guides add the context you need for the next observation.
01Updated daily
Moon Phase Today
Check illumination, Moon age, altitude, direction, moonrise, moonset, and the next full Moon.
022026 plannerFull Moon Calendar 2026
Use official full-Moon instants in KST and UTC, with Blue Moon, eclipse, and supermoon notes.
03Practical astronomyMoon Observing Guides
Understand the phases, find a Moon that seems missing, and take a clearer phone photo.
NEXT 2026 SUPERMOON
NOV 24
A closer full Moon, explained without hype
A supermoon is a full Moon near the closest part of its orbit. It is measurably larger and brighter, but the difference can be subtle without a side-by-side comparison.
Understand the 2026 SupermoonsQUICK ORIENTATION
Three facts that make the calendar easier to read
A full Moon generally rises around sunset and sets around sunrise.
Moonlight is sunlight reflected from the lunar surface.