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  3. Moon age

Moon age

Enter a date to estimate the moon age.

Result
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A new moon is day 0; a full moon is near day 14-15.

Example

Estimate the approximate age of the moon for a date. Informational only.

A new moon is day 0; a full moon is near day 14-15.

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Methodology

The estimate uses an approximate synodic month of 29.53 days.

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