Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2351

                                           25 January 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
  Jan.  12      59226      -0,173959    +0,05693    +0,31436 
        13      59227      -0,173425    +0,05610    +0,31513 
        14      59228      -0,172890    +0,05509    +0,31585 
        15      59229      -0,172463    +0,05439    +0,31665 
        16      59230      -0,172050    +0,05381    +0,31754 
        17      59231      -0,171760    +0,05314    +0,31848 
        18      59232      -0,171578    +0,05255    +0,31935 

                          P R E D I C T I O N
  YEAR  2021
  Jan.  25      59239      -0,16891     +0,0520     +0,3250   
  Feb.   1      59246      -0,16601     +0,0500     +0,3323   
         8      59253      -0,16533     +0,0452     +0,3418   
        15      59260      -0,16328     +0,0442     +0,3524   
        22      59267      -0,16188     +0,0478     +0,3598   
  Mar.   1      59274      -0,16057     +0,0504     +0,3708   
         8      59281      -0,16203     +0,0505     +0,3787   

     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