Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2388

                                           11 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
  Sep.  28      59485      -0,107404    +0,22331    +0,28488 
        29      59486      -0,106710    +0,22182    +0,28305 
        30      59487      -0,105946    +0,22082    +0,28122 
  Oct.   1      59488      -0,105221    +0,22002    +0,27969 
         2      59489      -0,104712    +0,21917    +0,27835 
         3      59490      -0,104360    +0,21806    +0,27721 
         4      59491      -0,104217    +0,21651    +0,27625 

                          P R E D I C T I O N
  YEAR  2021
  Oct.  11      59498      -0,10511     +0,2052     +0,2689   
        18      59505      -0,10434     +0,1935     +0,2605   
        25      59512      -0,10449     +0,1836     +0,2535   
  Nov.   1      59519      -0,10340     +0,1716     +0,2505   
         8      59526      -0,10695     +0,1578     +0,2469   
        15      59533      -0,10821     +0,1448     +0,2450   
        22      59540      -0,10843     +0,1307     +0,2434   

     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