This is analogous to the by-month definition of a blue moon as the second full moon in a month.
February is too short for a second new moon to occur. This event occurs about every 29 months. The assignment of a calendar date to a new moon, and in which month a second new moon occurs, depends on the time zone.
However, for the Americas the date is still 30 September, making this the second new moon of September. Calculated in UTC, instances of a second new moon in a calendar month between and are: . Another use of the term is for the third new moon in a season that has four new moons. This is analogous to the Farmers' Almanac definition of a blue moon as the third full moon in a season with four full moons.
A season lasts about three months and usually has three new moons. This event occurs about every 33 months.
There is no dependency on time zones in this definition as the seasons are tied to the winter solstice. Instances of four new moons in a season are:  .
Another use of the term is for the absence of the full moon from a calendar month. This can occur only in February; it happens about every 19 years.
When February is without full moon, then the preceding January or December and the following March or April have two full moons. As with the case of two new moons in a month, whether a black moon by this definition occurs depends on the time zone. Calculated in UTC, instances of a month without full moon between and are: . Another use of the term is for the absence of the new moon in a calendar month.
When February is without new moon, then the preceding January or December and the following March or April have two new moons. Calculated in UTC, instances of a month without new moon between and are: . In some aspects of paganism , particularly amongst Wiccans , the black moon is considered to be a special time when any rituals, spells, or other workings are considered to be more powerful and effective. Others believe rituals or workings should not be conducted at these times.
Below are excerpts from my forthcoming book Your Astrology for a New Beginning, which will be for sale early December. How We Are Being Affected?
In my last blog I gave an overview of the three conjunctions between Pluto, Saturn, and Jupiter that announce new beginnings for all of us in Forthcoming Book on the Astrology of I am currently writing a book on the astrological events in and their implications, which will be available in early December We are already feeling rumblings of profound changes. As the light of the full moon disappears at the eclipse, and we adjust to the silent darkness, we can get in touch with emotions begging for attention and recognize habitual patterns that have previously escaped our awareness.
On Nov 4, , Jupiter , the bright planet of grace and inspiration, will enter sidereal Sagittarius, prompting spiritual growth and personal expansion. Likened to an earthquake, the rumblings have been present for some time, and aftershocks will continue long after triggering events. In general, new moons are opportunities to turn within and take stock of the inner world. I had to read it a couple times to get it in my head This full moon was known by early Native American tribes as the Full Worm Moon because this was the time of year when the ground would begin to soften and the earthworms would reappear. By trying anyway, it may be possible to find a solution that meets your needs, even if it may not be what you wanted, hoped for or expected.
Today, July 3rd, is my 75th birthday.