Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2366

                                           10 May 2021


            UNIVERSAL TIME AND TERRESTRIAL POLE MOTION


    Data         MJD      UT1(SU)-UTC    X(SU)      Y(SU)
    (0h UT)                   (s)         (")        (")

                       W E E K L Y    V A L U E S
  YEAR  2021
  Apr.  27      59331      -0,181884    +0,10156    +0,43367 
        28      59332      -0,182694    +0,10286    +0,43423 
        29      59333      -0,183197    +0,10416    +0,43467 
        30      59334      -0,183349    +0,10554    +0,43506 
  May    1      59335      -0,183293    +0,10693    +0,43565 
         2      59336      -0,183078    +0,10831    +0,43630 
         3      59337      -0,182817    +0,10986    +0,43722 

                          P R E D I C T I O N
  YEAR  2021
  May   10      59344      -0,18315     +0,1215     +0,4427   
        17      59351      -0,18167     +0,1279     +0,4442   
        24      59358      -0,18344     +0,1382     +0,4465   
        31      59365      -0,18259     +0,1421     +0,4445   
  June   7      59372      -0,18169     +0,1490     +0,4418   
        14      59379      -0,17529     +0,1594     +0,4346   
        21      59386      -0,17223     +0,1692     +0,4319   

     NOTATION:
MJD - Modifired Julian Day; MJD=JD-2400000,5;
UT1(SU), X(SU), Y(SU) - Universal Time UT1 and terrestrial pole motion
                        components, evaluated State Service for Time,
                        Frequency and EOP evaluation - SSTF;
UTC -  Universal Time Coordinated;
TA(SU) - Atomic Time scale of Russian Federation;
Difference UTC-TA(SU) = -33,17276 s (from 1 July 2015),
                        -34,17276 s (from 1 January 2017).


                                 Main Metrological Center
                                       of SSTF