区块链

        WhytheU.S.WantsToEndtheLinkBetweenTimeandSun.TheWallStreetJournal.[2017-10-31].（原始内容存档於2017-11-07）.

        Leapsecondtalksarepostponed.BBCNews.[2017-10-31].（原始内容存档於2017-11-07）.

        KennethSeidelmann.UTCredefinitionorchange.（原始内容存档於2006-01-10）.

        Cowen,Ron.ToLeaporNottoLeap:Scientistsdebateatimelyissue.ScienceNews.April22,2006[2006-05-19].（原始内容存档於May2,2006）.

        SteveAllen.UTCmightberedefinedwithoutLeapSeconds.[2017-10-31].（原始内容存档於2017-06-03）.

        nc1985wp7aProposedUSContributiontoITU-RWP7A.[2017-10-31].（原始内容存档於2017-01-01）.

        DemetriosMatsakis.CommentsontheDebateovertheProposaltoRedefineUTC(PDF).2014-08-18[2017-10-31].（原始内容存档(PDF)於2017-02-08）.

        U.S.Proposals.NationalTelecommunicationsandInformationAdministration.（原始内容存档於2014-07-29）.

        FCCSeeksCommentOnRecommendationsApprovedByTheAdvisoryCommitteeForThe2015WorldRadiocommunicationConference(PDF).FederalCommunicationsCommission.2014-01-28.（原始内容存档(PDF)於2014-07-29）.

        PreliminaryViewsandProposalsRegardingWRC-15AgendaItems(PPT).OrganizationofAmericanStates.（原始内容存档於2014-07-29）.

        SearchforFilingsResults.fcc.gov.（原始内容存档於2015-07-01）.

        Merali,Zeeya.(November8,2011)."Timeisrunningoutfortheleapsecond".网际网路档案馆的存档，存档日期May16,2017，.NatureNews.

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