Gnuplot
Produced by GNUPLOT 5.4 patchlevel 3
-0.5
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1960
1970
1980
1990
2000
2010
2020
Length of Day - 86400 s [millisecond]
Calendar Year
gnuplot_plot_1
gnuplot_plot_2
gnuplot_plot_3
gnuplot_plot_4
10 s (elastic)
1958 to 1972
27 s (leap)
1972-01-01 to 2017-01-01
1958-01-01
AT = UT
calibration of cesium resonance with Ephemeris Time
(rotating slower)
(rotating faster)
Steve Allen https://www.ucolick.org/~sla/leapsecs/
Length of Day (Earth rotation rate)