LunationNumber

LunationNumber[] returns the number of new moons since the first new moon of the year 2000.

• LunationNumber[date] returns the number of new moons since the given date.
• LunationNumber[scheme, date] returns the number of new moons since the zeroth new moon of the given counting scheme.

Examples

LunationNumber[]

LunationNumber[DateObject[{2020, 1, 1}]]

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