Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2364

                                           26 April 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.  13      59317      -0,177286    +0,08717    +0,42161 
        14      59318      -0,177657    +0,08797    +0,42230 
        15      59319      -0,177871    +0,08904    +0,42311 
        16      59320      -0,178020    +0,09034    +0,42363 
        17      59321      -0,178025    +0,09229    +0,42419 
        18      59322      -0,177974    +0,09430    +0,42500 
        19      59323      -0,177876    +0,09585    +0,42572 

                          P R E D I C T I O N
  YEAR  2021
  Apr.  26      59330      -0,18129     +0,1063     +0,4323   
  May    3      59337      -0,18339     +0,1103     +0,4348   
        10      59344      -0,18497     +0,1178     +0,4366   
        17      59351      -0,18200     +0,1295     +0,4339   
        24      59358      -0,18172     +0,1412     +0,4356   
        31      59365      -0,17946     +0,1518     +0,4368   
  June   7      59372      -0,17787     +0,1659     +0,4353   

     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