On the day I wrote this answer (Wednesday 25th December, 2013), the date of the next full moon is Thursday 16th January, 2014.
The half, because the full moon is as light again.
If a full moon occurs every 30 days and it falls on a Friday, the next full moon will occur 30 days later, which is also a Friday. This means that the next full moon will occur again on a Friday after 30 days. Therefore, 30 days will pass before a full moon occurs again on a Friday.
a new moon is when the moon is forming again and a full moon is when the moon is fully formed <><><><><> The new moon is when the Moon is minimally lighted, while the full moon is when the Moon is maximally lighted.
A week after the Full Moon the Moon looks like a semi circle again, this phase is called ''Third Quarter''
It takes 27.3 days. So you could just say around 27 days.
the next full moon
waxing crescent
waxing crescent
It takes approximately 29.5 days to go from a new moon to a full moon and back again, completing one lunar cycle.
Third quarter moon.
Third quarter moon.
A week after the Full Moon the Moon looks like a semi circle again, this phase is called ''Third Quarter''