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In a lunar calendar, a period somewhat like a year in which the odd numbered months have 30 days and the even number months have 29 days. Also the time it takes for the mean synodic month to fall half a day behind the 29.5 day cycle.
The Urban Dictionary Mug
Best mug ever!
this is actually a good mug
Computerly good
It's excellent for memers from NSBHS who would like to have a good laugh every morning.
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