Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2387

                                            4 October 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
  Sep.  21      59478      -0,109362    +0,23054    +0,29493 
        22      59479      -0,109259    +0,23030    +0,29321 
        23      59480      -0,109218    +0,22987    +0,29175 
        24      59481      -0,109069    +0,22899    +0,29058 
        25      59482      -0,108837    +0,22806    +0,28947 
        26      59483      -0,108472    +0,22663    +0,28821 
        27      59484      -0,108060    +0,22496    +0,28654 

                          P R E D I C T I O N
  YEAR  2021
  Oct.   4      59491      -0,10534     +0,2139     +0,2750   
        11      59498      -0,10681     +0,2058     +0,2656   
        18      59505      -0,10589     +0,1953     +0,2599   
        25      59512      -0,10655     +0,1829     +0,2534   
  Nov.   1      59519      -0,10582     +0,1706     +0,2485   
         8      59526      -0,10877     +0,1570     +0,2440   
        15      59533      -0,10994     +0,1412     +0,2428   

     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