lunar month

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lunar month

[lo̅o̅′nər]
Etymology: L, luna, moon; AS, monath, month
a period of 4 weeks or 28 days, approximately the time required for the moon to revolve about the earth.
References in periodicals archive ?
The plot of the APACHE III scores for each day of the lunar month did not reveal any peaks on full-moon days (Figure-1a).
The plot of the actual mortality over the course of the lunar month showed an intriguing increase before the new moon (Figure.
The daily death frequency did not correlate with the days of the lunar month (r= 0.
Many Muslim scholars agree on moon-sighting as the only acceptable way for determining the beginning of the new lunar month as they root the practice of moon-sighting, particularly for Ramadan, in the Quranic and Prophetic injunctions.
First-Crescent Sighting and the Beginnings of Lunar Months in Antiquity
That lunar months typically could not begin before the first crescent was sighted is, on closer inspection, one of ancient chronology's most overrated and persistent assumptions.
the ninth day of the first decade of the lunar month, and
The Greeks began each lunar month at new Moon and then divided the following 29 or 30 days into three periods: the first 10 days were the "rising" or "waxing" period, the next 10 days were the "middle" period centered around a full Moon, and the last 9 or 10 days were the "dying" or "waning" period.
Since the crescent is theoretically visible to the ILD's west, the lunar month starts on that night.
Eventually the Greeks adopted a more accurate period known as the Metonic cycle, which equates 19 solar years with 235 lunar months.
As shown at right in the plot for the years 1986 through 1997, the length of this lunar month is not constant.
If the lunar month is measured between consecutive full Moons rather than new Moons, exactly the same range of values is found.