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NIST UTC 2004 Archive

UTC - UTC (NIST)

The deviation of UTC(NIST) from UTC has been less than +/-100 ns since July 6, 1994. The table below shows values of UTC - UTC(NIST) as supplied by the BIPM Circular T for the most recent period in which data are available.

UTC - UTC(NIST)Values (at 10-day intervals)

DateMJDUTC-UTC(NIST) ns
2004-12-30  533693.5
2004-12-20  533594.2
2004-12-10  533495.1
2004-11-30  533394.7
2004-11-20  533292.5
2004-11-10  533192.6
2004-10-31  533093.4
2004-10-21  532991.4
2004-10-11  532893.7
2004-10-01  532793.5
2004-09-21  532694.1
2004-09-11  532594.7
2004-09-01  532492.5
2004-08-22  532390.9
2004-08-12  53229-2.5
2004-08-02  53219-2.5
2004-07-23  53209-4.0
2004-07-13  53199-6.0
2004-07-03  53189-5.3
2004-06-23  53179-6.4
2004-06-13  53169-5.2
2004-06-03  531590.2
2004-05-24  531495.4
2004-05-14  531399.9
2004-05-04  5312910.5
2004-04-24  531197.5
2004-04-14  531096.9
2004-04-04  530996.7
2004-03-25  530896.3
2004-03-15  530794.1
2004-03-05  530693.2
2004-02-24  530591.2
2004-02-14  53049-2.0
2004-02-04  53039-4.5
2004-01-25  53029-4.6
2004-01-15  53019-4.2
2004-01-05  53009-3.6
Created January 12, 2010, Updated October 7, 2020