Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2478

                                            3 July 2023


            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  2023
  June  20      60115      -0,041140    +0,14865    +0,51224 
        21      60116      -0,040340    +0,15201    +0,51188 
        22      60117      -0,039589    +0,15532    +0,51151 
        23      60118      -0,038952    +0,15831    +0,51111 
        24      60119      -0,038430    +0,16124    +0,51080 
        25      60120      -0,038017    +0,16417    +0,51064 
        26      60121      -0,037699    +0,16717    +0,51028 

                          P R E D I C T I O N
  YEAR  2023
  July   3      60128      -0,03370     +0,1891     +0,5074   
        10      60135      -0,03129     +0,2097     +0,5006   
        17      60142      -0,02516     +0,2249     +0,4923   
        24      60149      -0,01984     +0,2416     +0,4822   
        31      60156      -0,01429     +0,2521     +0,4710   
  Aug.   7      60163      -0,01321     +0,2653     +0,4570   
        14      60170      -0,00976     +0,2791     +0,4418   

     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