Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2355

                                           22 February 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
  Feb.   9      59254      -0,169332    +0,05002    +0,35108 
        10      59255      -0,169241    +0,05072    +0,35240 
        11      59256      -0,169246    +0,05127    +0,35356 
        12      59257      -0,169384    +0,05148    +0,35463 
        13      59258      -0,169721    +0,05168    +0,35552 
        14      59259      -0,170139    +0,05185    +0,35662 
        15      59260      -0,170652    +0,05173    +0,35797 

                          P R E D I C T I O N
  YEAR  2021
  Feb.  22      59267      -0,17230     +0,0500     +0,3657   
  Mar.   1      59274      -0,17405     +0,0554     +0,3751   
         8      59281      -0,17623     +0,0605     +0,3865   
        15      59288      -0,17567     +0,0663     +0,3980   
        22      59295      -0,17388     +0,0750     +0,4047   
        29      59302      -0,17427     +0,0832     +0,4110   
  Apr.   5      59309      -0,17467     +0,0885     +0,4185   

     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