Calculate sunrise, sunset, twilight and solar noon for a place and date.
Runs in your browserTime & date
Category: Time & date
Moon Phase
Check the Moon's phase, illumination and rise and set times.
Runs in your browserProcessed locally. Your input never leaves your device.
Details
About this tool
See the Moon's phase name, illuminated fraction and approximate age in its cycle for any date. Select a city or coordinates to add moonrise and moonset in the correct local time zone.
The phase depends on the geometry of the Sun, Earth and Moon and is effectively the same worldwide at one moment; rise and set times depend strongly on location. That is why the date and place controls affect different parts of the result.
Values are calculated locally with SunCalc. They are useful for planning and general information, not for navigation or observatory-grade ephemerides.
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Good to know
Questions people actually ask
- Is the Moon phase different in another country?
- The physical phase is the same at the same moment worldwide, although its orientation looks different between hemispheres. Moonrise and moonset times do depend on location.
- What does illumination mean?
- The estimated fraction of the Moon's visible disc lit by the Sun, from 0 percent near new moon to 100 percent near full moon.