Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2373

                                           28 June 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
  June  15      59380      -0,177554    +0,17846    +0,43419 
        16      59381      -0,176962    +0,17924    +0,43365 
        17      59382      -0,176506    +0,18023    +0,43287 
        18      59383      -0,176252    +0,18179    +0,43181 
        19      59384      -0,176219    +0,18367    +0,43107 
        20      59385      -0,176253    +0,18544    +0,43058 
        21      59386      -0,176207    +0,18716    +0,43012 

                          P R E D I C T I O N
  YEAR  2021
  June  28      59393      -0,17109     +0,1981     +0,4250   
  July   5      59400      -0,16710     +0,2033     +0,4189   
        12      59407      -0,15934     +0,2079     +0,4092   
        19      59414      -0,15592     +0,2111     +0,3999   
        26      59421      -0,15020     +0,2150     +0,3898   
  Aug.   2      59428      -0,14674     +0,2217     +0,3811   
         9      59435      -0,13819     +0,2221     +0,3736   

     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