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.
Date | MJD | UTC-UTC(NIST) ns |
---|---|---|
Dec. 31, 2023 | 60309 | -0.8 |
Dec. 21, 2023 | 60299 | -1.0 |
Dec. 11, 2023 | 60289 | 1.2 |
Dec. 1, 2023 | 60279 | 0.0 |
Nov. 21, 2023 | 60269 | -1.0 |
Nov. 11, 2023 | 60259 | -0.6 |
Nov. 1, 2023 | 60249 | 0.2 |
Oct. 22. 2023 | 60239 | 1.6 |
Oct. 12, 2023 | 60229 | 1.9 |
Oct. 2, 2023 | 60219 | 1.7 |
Sep. 22, 2023 | 60209 | 0.5 |
Sep. 12, 2023 | 60199 | 0.1 |
Sep. 2, 2023 | 60189 | 0.0 |
Aug. 23, 2023 | 60179 | -0.7 |
Aug. 13, 2023 | 60169 | -0.7 |
Aug. 3, 2023 | 60159 | 0.8 |
Jul. 24, 2023 | 60149 | 0.8 |
Jul. 14, 2023 | 60139 | 0.8 |
Jul. 4, 2023 | 60129 | -0.2 |
Jun. 24, 2023 | 60119 | -0.8 |
Jun. 14, 2023 | 60109 | -0.5 |
Jun. 4, 2023 | 60099 | -0.6 |
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 |