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A kilosecond (symbol: ks) is 1000 seconds (16 minutes, 40 seconds), so there are 86.4 kiloseconds in a 24 hour day, and 604.8 kiloseconds in a week. The second is the International System of Units (SI) base unit of time, which, combined with the prefix kilo- (which means 1000) results in a kilosecond. Although the metric system dictates the use of the kilosecond, it is rarely used in practice. The more common (and irregular) units of minutes (60 seconds) and hours (60 minutes) result in a conversion factor of 3600 when converting seconds to hours. The term kilosecond is most commonly found in astrophysics research articles.

A kilosecond is the longest observation of anti-atom confinement as of 14 April 2011.[1]

See also[edit]


  1. ^ "Confinement of antihydrogen for 1,000 seconds". nature. 5 June 2011. Retrieved 12 May 2012.