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Perpetual Calendar Buy now › USD $ 36.00
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A Perpetual Calendar that covers 112 years from 1954 to 2065. Rotate top circle to match month with year, and it calculates the month's calendar for days of the week. Includes a mnemonic for month lengths and a reminder that time is very fleeting. Center hole is 1/4in. (6.35mm) and overall dimensions are 3.9in. (~100mm) in diameter I will have a bamboo option once I receive it from Ponoko.

Mnemonic: Thirty days hath September,
April, June, and November,
All the rest have 31
Excepting February alone,
Which hath but 28, in fine,
Until leap year gives it 29.

The days... come and go like
muffled and veiled figures,
sent from a distant
friendly party;
buy they say nothing,
and if we do not use
the gifts they bring
they carry them
as silently away.

Message me with any questions.

Material options and prices (All prices are in US$ and exclude shipping costs):

This item is available in the following options:

Veneer Core (Double-sided) - Birch

Made from birch veneer core (double-sided). Hardware not included. Center hole is 1/4in (6.35mm).

$36.00 Buy this option

Shipping costs:

The designer will ship to the following destinations:

Destination not shown?

Contact the designer and see if they'll add your destination.

USA only (for now)

Reviews of Perpetual Calendar

dRy7aqdj says:

this is fantastic

Added 9 days ago. ( delete )
bYUzIsXR says:

all of these are epic

Added 9 days ago. ( delete )
pSlxJiF6 says:

great :0

Added 9 days ago. ( delete )
Additional info: Listed on Jun 27, 2010 Viewed 6346 times Report this item to Ponoko

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