Odd observances: Mark your 2013 calendars with these fun and unusual holidays

the 2013 pantone calendar designed by pentagram's eddie opara and brankica harvey promotes a color for each month.

the 2013 pantone calendar designed by pentagram's eddie opara and brankica harvey promotes a color for each month.

Don't subject yourself to tax penalties for missing important filing deadlines in 2013. Get out your 2013 calendar and mark any of the following tax deadlines that apply to you or your business. Jan. 15 — Due date for the fourth and final installment

This year's calendar once again celebrates the photography of Cycle World's first European racing contributor, B.R. “Nick” Nicholls. Learn more at CycleWorld.com.

There are multiple 2013 calendar Excel template options available on the site. People can select between a 12-month calendar, a one-month calendar and even a weekly calendar. Flagen says no matter which one of the options you choose, everyone will