The clock can be our best friend (at 5:30 p.m. on Friday) or our worst enemy (Monday morning's alarm). Regardless, it's no secret that clocks rule our lives in some capacity, and life is a perennial battle to try to do more in less time.
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The concept of time is a common theme in photography, from stop-motion shots to images of iconic clocks around the world. For this week's round of the Mashable Photo Challenge, we asked our readers to submit images of clocks depicted in new and unusual ways. We've compiled a few of our favorite submissions below; check out the full gallery here.
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