Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2390

                                           25 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
  Oct.  12      59499      -0,105674    +0,20294    +0,26526 
        13      59500      -0,105374    +0,20131    +0,26484 
        14      59501      -0,105048    +0,19942    +0,26424 
        15      59502      -0,104810    +0,19716    +0,26367 
        16      59503      -0,104715    +0,19461    +0,26308 
        17      59504      -0,104790    +0,19254    +0,26244 
        18      59505      -0,104986    +0,19044    +0,26183 

                          P R E D I C T I O N
  YEAR  2021
  Oct.  25      59512      -0,10528     +0,1766     +0,2573   
  Nov.   1      59519      -0,10459     +0,1630     +0,2540   
         8      59526      -0,10739     +0,1481     +0,2501   
        15      59533      -0,10850     +0,1340     +0,2472   
        22      59540      -0,10878     +0,1222     +0,2461   
        29      59547      -0,10843     +0,1092     +0,2492   
  Dec.   6      59554      -0,11135     +0,0950     +0,2517   

     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