28 days
The Moon's day, or "lunar day" lasts about 29.5 Earth days, which is the time it takes for the Moon to complete one full rotation on its axis. This is the same amount of time it takes for the Moon to complete one orbit around the Earth.
If you mean "one moon" as the Indians used the phrase to measure time, then the length of a lunar cycle (from one full moon to the next) would be just over 29.5 days.
A day and a year on the moon are the same length because the moon rotates on its axis at the same rate that it orbits around the Earth, causing one side of the moon to always face us. This synchronous rotation results in a day (one full rotation) on the moon taking the same amount of time as a complete orbit around the Earth (a year).
The full moon only actually lasts one day, so only one day in a month is there a full moon (although it will look full for a few days).
Full moon, or within one day of the full.
Technically a full moon only lasts a moment but it looks full for about three days.
Neither one.
The moon appears full for more than one day because the term "full moon" refers to the moment when the sun, Earth, and moon are aligned in a straight line, with the sun illuminating the entire side of the moon facing Earth. The moon takes about 29.5 days to complete one orbit around Earth, so it appears full for more than a day as it continues its orbit.
Yes, when the moon is full, it is full everywhere that day. Only one side of the earth is turned toward the moon at any given time, meaning that only one side can see the moon until the earth turns.
It would be about 29.5 earth days. Or, precisely the same length of time as a full cycle of moon phases.
28 days to do a full orbit around the Earth
A "Moon" day is the period it takes to make one revolution on it's axis (or Sidereal rotationperiod) this is currently 27.321582 Earth days.For any one spot on the moon, the length of acomplete light/dark cycle is 27.32 Earth days.