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UTC-UTC (NIST) correlation

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
May 25, 2023 60089 -2.0
May 15, 2023 60079 -2.2
May 5, 2023 60069 -0.8
Apr. 25, 2023 60059 0.9
Apr. 15, 2023 60049 1.8
Apr. 5, 2023 60039 1.6
Mar. 26, 2023 60029 0.1
Mar. 16, 2023 60019 -0.3
Mar. 6, 2023 60009 -1.1
Feb. 24, 2023 59999 -2.0
Feb. 14, 2023 59989 -1.5
Feb. 4, 2023 59979 0.7
Jan. 25, 2023 59969 1.6
Jan. 15, 2023 59959 1.6
Jan. 5, 2023 59949 0.8
Created September 18, 2009, Updated June 23, 2023