If you're like me, you delayed in buying your 2013 wall calendar because you knew they'd all go on sale after January 1st. Some people might decry this as "extreme cheapness," but isn't it cheaper to insist on getting the "full value" out of your calendar by using it on "all applicable days?" That's trashy.

Wondering what to get the person who has everything? Why not one of these lovely calendars from dental supply company Practicon? Each month is accompanied by a photo of Practicon's dental mannequins, dressed up and having fun. It's heartwarming — and completely and utterly terrifying.

Twenty-four rural English women with big, sexy hearts have banded together to honor their deceased friend's robust lust for life (and also lust for lust) by releasing a nude charity calendar in his name.

Kid hormones! Chemical knot! Fish legs! Pigeon counting! Fluid dynamics! Elephant toes! Space station! Snowflake pictures! And a calendar reform motion, debated and denied! It's your Thursday Science Watch, where we watch science—unsuccessfully!

The Clare Boothe Luce Institute has released the 2012 edition of its annual Great American Conservative Women calendar, featuring most of the biggest names in conservative lady-dom! Now you have the perfect gift to give friends and family this Halloween.

Back in 2008, the New York Fire Department canceled its annual beefcake photo calendar because one of the men pictured had some blue movies out there. Cut to 2011 when the FDNA is so strapped for cash that the department has resurrected the guilty pleasure.

During the Night of Too Many Stars, Tina Fey graciously offered up her personal calendar. Inside, she goes through a year of photo spreads—which include her shirtless, with washboard abs, as Justin Bieber, and as twins of herself.