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NIST UTC 2015 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)

 

 Date MJD UTC-UTC(NIST) ns

2015-12-23

57379

3.5

2015-12-13

57369

4.3

2015-12-03

57359

6.4

2015-11-23

57349

5.8

2015-11-13

57339

4.8

2015-11-03

57329

5.3

2015-10-24

57319

9.6

2015-10-14

57309

13.9

2015-10-04

57299

16.0

2015-09-24

57289

15.8

2015-09-14

57279

14.3

2015-09-04

57269

13.6

2015-08-25

57259

13.5

2015-08-15

57249

13.0

2015-08-05

57239

11.2

2015-07-26

57229

9.4

2015-07-16

57219

8.8

2015-07-06

57209

7.7

2015-06-26

57199

6.6

2015-06-16

57189

6.3

2015-06-06

57179

5.8

2015-05-27

57169

5.6

2015-05-17

57159

4.7

2015-05-07

57149

4.8

2015-04-27

57139

4.4

2015-04-17

57129

4.4

2015-04-07

57119

4.5

2015-03-28

57109

4.3

2015-03-18

57099

4.3

2015-03-08

57089

4.2

2015-02-26

57079

3.5

2015-02-16

57069

2.5

2015-02-06

57059

2.5

2015-01-27

57049

3.5

2015-01-17

57039

5.0

2015-01-07

57029

5.8

Created March 18, 2016, Updated October 7, 2020