the period between successive new moons (29.531 days)
Middle period from one new moon to the next.
The time required of the moon to pass through its lunar phases and return to the start, averaging 29 days, 12 hours, 44 ninutes and 2.8 seconds: from New Moon to First Quarter to Full Moon for the 1st and 2nd quarters, Waxing Moon, then Full Moon to Last Quarter to New Moon for the 3rd and 4th quarters, Waning Moon.
The time it takes the Moon to complete one cycle of phases—from new moon to new Moon—an average of 29.53059 days.
Average number of days between successive new moons---29.53 days, (the mean interval between conjunctions of the moon and sun).
The time it takes for the moon to go from new moon to 1st quarter phase to full moon to 3rd quarter phase and return to new moon. Currently this takes 29.53 days.
A synodic month (also called a lunar month) is the time between successive new or full moons. It lasts 29 days, 12 hours, and 44 minutes.
The time from one full Moon to the next (about 29.5 days).
