Doyoueverwishforalittlemoretimetodoeverythingyouneedtodo？Well，onJuly1you'llbegettingit--butonlyonemoresecond．

OnJuly1atexactly7：59：59a．m．Beijingtime（oronJune30at23：59：59UTC，CoordinatedUniversalTime），theworld'satomic（原子的）clockswillpauseforasinglesecond，or，moreprecisely，changetotheunusualtimeof7：59：60，accordingtotheverge．com．Theadditionofaleapsecond（闰秒），announcedbytheParisObservatory，istokeepourclocksinthetimewiththeslowingofEarth'srotation（旋转）andastronomicaltimeasmeasuredbythesun．

Justoneextrasecondcouldcausebigproblemsandaffectthewaycomputersandwebsiteswork，however．Whenthelastleapsecondwasaddedbackin2012，morethanafewwebsiteshadsometrouble．AsreportedbyPhys．org，popularsiteslikethecommunitywebsitesRedditcrashedwhentheleapsecondwasadded．

ForReddit，theproblemwaseventuallyfoundtobewithaLinuxsystemthatgotconfusedwhenitcheckedthenetworktimeandfoundanextrasecond．

SpeakingtoWiredabouttheproblembackin2012，LinuxcreatorLinusTorvaldscommented："Almosteverytimewehavealeapsecond，wefindsomething．It'sreallyannoying，becauseit'scode（代码）thatisalmostneverused，andthusnottestedbyusersundertheirnormalconditions．"

Companieshavehadtothinkoftheirownsolutions，andGoogle's"leapsmear"maybethebest-knownexample．AscompanyengineerChristopherPascoeexplainsinablogpost，companiesusuallytrytofixtheproblembyturningbacktheclocksbyonesecondattheendofthedaysothattheyplaythatsecondagain．

However，Pascoebelievesthiscreatesproblems．Heasked："Whathappens？Doese-mailthatcomesinduringthatsecondgetstoredcorrectly？"

Googlehasasolution：Cuttheextrasecondintomillisecondsandthenputthesetinyamountsoftimeintothesystemthroughouttheday．"Thismeansthatwhenitbecametimetoaddanextrasecondatmidnight，"saysPascoe．"Ourclockshavealreadytakenintoaccountoverthecourseoftheday．"

FormanycompanieswithoutGoogle'smoney，however，theleapsecondwilllikelystillcausesomecrashes．Don'tworry，though-atleastitwon'tlastlong!

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