Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2374

                                            5 July 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  22      59387      -0,175946    +0,18871    +0,42944 
        23      59388      -0,175447    +0,19034    +0,42844 
        24      59389      -0,174649    +0,19206    +0,42728 
        25      59390      -0,173563    +0,19390    +0,42599 
        26      59391      -0,172384    +0,19557    +0,42480 
        27      59392      -0,171138    +0,19725    +0,42377 
        28      59393      -0,169981    +0,19914    +0,42295 

                          P R E D I C T I O N
  YEAR  2021
  July   5      59400      -0,16383     +0,2119     +0,4146   
        12      59407      -0,15524     +0,2214     +0,4065   
        19      59414      -0,15125     +0,2241     +0,3988   
        26      59421      -0,14464     +0,2261     +0,3878   
  Aug.   2      59428      -0,14013     +0,2265     +0,3774   
         9      59435      -0,13278     +0,2275     +0,3665   
        16      59442      -0,13086     +0,2313     +0,3573   

     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