An entire cycle is about 29 1/2 days, on average. The "phases" are more like points in time, when the Moon shows a certain shape.
29.531 days (rounded)
48 days
365
The cycle of the moon's phases runs 29.53 days.
Full Moon and New Moon phases.
The NASA web site has a table of phases of the Moon at http://www.usno.navy.mil/USNO/astronomical-applications/data-services/phases-moon It doesn't matter where YOU are for the phases of the Moon; this table is the same for everyone.
As long as the observer is some place on the earth, his locationhas essentially no effect on the moon phase that he sees.
full moonhalf moonnew moon
Physical phases of matter are not limited to three. Phases of the moon are not limited to three. Phases of a wave form are not limited to three. What phase is limited to three?
The moon takes ~28 days (27.3 specifically) to move through all it's 8 phases, meaning it spends about three and a half days in each phase.
The phase of the moon that is close to long is the crescent
It takes a full month to see all phases of the moon, then it begins again.
1 month
It takes the moon about one month to go through it's 8 phases.
About 29 days
29.53 days
365
Moon Phases , or Lunar Phases.
The cycle of the moon's phases runs 29.53 days.