Relates to - London Stock Exchange



This service announcement is to inform customers that on 31 December 2016 Coordinated Universal Time (UTC) will insert a leap second at 23:59:59 (23:59:60 being the leap second).London Stock Exchange Group Markets (London Stock Exchange, London Stock Exchange Derivatives Market and Turquoise) use NTP to synchronize clocks and as such the leap second will be introduced to London Stock Exchange Group Markets prior to start of trading on 3 January 2017.For more information please contact your Technical Account Manager or the Technical Account Management Team on +44 (0)20 7797 3939 or londontam@.Relates toExchange(s)London Stock ExchangeEnvironment(s)Production / CDSTypeTechnical UpdateProduct(s)Millennium ExchangeAdditional InformationIf you have any queries about this announcement please contact your Technical Account Manager on - +44 (0)20 7797 3939 or londontam@. An archive of previously issued service announcements is available in the technical library section of the Exchange's Internet site are reminded that London Stock Exchange may broadcast test data from its Production environment at the weekends which should be discarded and not processed.Customers are reminded that London Stock Exchange may extend or re-enter the Post Close session for instruments or segments in order to perform necessary end of day activities. ................
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