Moondial

Moondial

Moondial is also the name of a television series.

Moondials are time pieces similar to a sundial. The most basic moondial, which is identical to a sundial, is only accurate on the night of the full moon. Every night after it becomes an additional 48 minutes slow, while every night preceding the full moon it is 48 minutes fast, assuming there is even enough light to take a reading by. Thus, one week to either side of the full moon the moondial will read 5 hours and 36 minutes before or after the proper time.

More advanced moondials can include charts showing the exact calculations to get the correct time, as well as dials designed with latitude and longitude in mind.

Moondials are very closely associated with lunar gardening (night-blooming plants) and some comprehensive gardening books may mention them.

See also

Sources

Make your own moondial

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