How to use it
- See today’s phase and how much of the Moon is lit at the top.
- Check the dates and times of the next new, quarter and full moons.
- Choose a month to see all its phases.
Questions and answers
What is the Moon phase today?
It is shown at the top, calculated for this moment. The Moon goes from new to full and back in about 29.5 days.
When is the next full moon?
See Next phases: the list gives the date and time of the next full moon in your time zone.
What is the difference between waxing and waning?
Waxing means the lit part is growing (after the new moon); waning means it is shrinking (after the full moon).
How accurate are the times?
Within a few minutes. They come from astronomical formulas for the positions of the Moon and the Sun.