Black Moon Quarter
A span of 3 months in which 4 new moons occur.
Between October 1st and December 31st there were 4 new moons instead of the usual 3 making those 3 months a black moon quarter (as in a quarter of a year).
| 俚语 | black moon quarter |
| 释义 | Black Moon QuarterA span of 3 months in which 4 new moons occur. Between October 1st and December 31st there were 4 new moons instead of the usual 3 making those 3 months a black moon quarter (as in a quarter of a year). |
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