In olden times, people worked only during daytime from dawn to dusk, or roughly speaking during the twelve hours from six o 'clock in the morn to six o 'clock in the afternoon.

在古时候，人们只在白天工作，从黎明工作到傍晚，如果按十二小时来粗略计算，就是从早上六点工作到下午六点。

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The W.H.O.says two hundred forty-seven million people became infected with malaria in two thousand six.

VOA: special.2009.05.26

Writer Edwin O'Connor made the expression popular in nineteen fifty-six.

VOA: special.2010.04.11

De Bonvoisin started the Web site in 2006, landing a six-page feature in O, Oprah Winfrey's magazine.

FORBES: Magazine Article

Demand for a more Scottish-centric media is on the rise - witness calls for the BBC to provide a dedicated Scottish Six O'Clock News.

BBC: News | UK | Scotland heralds a new Sunday paper

In the six-minute song "Bear, " O'Brother relies on texture rather than volume and dynamics for its threatening ambiance.

WSJ: O'Brother | A Garden Full of Axes | By Jim Fusilli