NIST Time Scale Data Archive UTC - UTC(NIST)

Return to Archive index

2002

2003

2004

2005

2006

2007

2008

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)

Date	MJD	UTC-UTC(NIST) ns
2009-05-28	54979	10.3
2009-05-18	54969	11.2
2009-05-08	54959	10.8
2009-04-28	54949	9.7
2009-04-18	54939	7.0
2009-04-08	54929	10.0
2009-03-29	54919	7.5
2009-03-19	54909	7.1
2009-03-09	54899	4.9
2009-02-27	54889	4.3
2009-02-17	54879	2.0
2009-02-07	54869	1.7
2009-01-28	54859	3.9
2009-01-18	54849	3.9
2009-01-08	54839	4.0

Online: September 2002 - Last update: July 1, 2009 - ep