Terms

8 Phases of Moon

One standard modern system has 8 phases of the moon:
1. New Moon
2. Waxing Crescent
3. First Quarter
4. Waxing Gibbous
5. Full Moon
6. Waning Gibbous
7. Third Quarter
8. Waning Crescent
 
Earlier systems had 3, 4, 13 or 16 phases.
 
In Babylon the phases were:
first -- the first visible crecent,
seventh -- the waxing half moon,
fourteenth -- the full moon,
nineteenth -- dedicated to an offended goddess,
twenty-first -- the waning half moon,
twenty-eigth -- the last visible crecent,
twenty-nineth -- the invisible moon, and
thirtieth (possibly) -- the invisible moon.
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