Created by German user interface designer Sören Lachnit, the Circular Calendar is an A0 (2.75 x 4 foot) wall poster that focuses on the solar and lunar influences on the yearly calendar, and it's beautiful. Dominated by a representation of the sun's distance from the 50th northern parallel (the latitudinal line that intersects Canada, Germany, France, Russia, and the UK) each month.

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Circling the abstract yellow form are all the months and days of 2014 alongside markings for the UTC lunar cycles, solstices, and average daylight hours. There's also a space for notes next to each date, but writing on an enormous wall poster doesn't seem like the most practical idea in the world. It's priced at €25.99 (roughly $35) for one or €51.98 ($70) for three, with shipping pegged at €5 ($7) for European addresses and €10 ($14) for the rest of the world.

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Lachnit tells The Verge that the Circular Calendar is just a side project to his regular work as a user interface designer. "I made up this calendar just for fun... not for making money." He'd like to continue to develop the idea with a 2015 calendar next year offering 40, 50, and 60 degree latitude editions, but only if the 2014 version breaks even.