Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2399

                                           27 December 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
  Dec.  14      59562      -0,108960    +0,09033    +0,25797 
        15      59563      -0,109202    +0,08787    +0,25886 
        16      59564      -0,109312    +0,08530    +0,25968 
        17      59565      -0,109250    +0,08271    +0,26055 
        18      59566      -0,109027    +0,08042    +0,26113 
        19      59567      -0,108740    +0,07881    +0,26160 
        20      59568      -0,108393    +0,07734    +0,26240 

                          P R E D I C T I O N
  YEAR  2021/22
  Dec.  27      59575      -0,10824     +0,0639     +0,2685   
  Jan.   3      59582      -0,10945     +0,0471     +0,2754   
        10      59589      -0,10981     +0,0364     +0,2845   
        17      59596      -0,10658     +0,0309     +0,2989   
        24      59603      -0,10462     +0,0245     +0,3134   
        31      59610      -0,10338     +0,0210     +0,3255   
  Feb.   7      59617      -0,10422     +0,0166     +0,3379   

     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