Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2381

                                           23 August 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
  Aug.  10      59436      -0,135075    +0,25091    +0,36722 
        11      59437      -0,134513    +0,25026    +0,36507 
        12      59438      -0,134113    +0,24996    +0,36313 
        13      59439      -0,133847    +0,24967    +0,36134 
        14      59440      -0,133503    +0,24926    +0,35957 
        15      59441      -0,133067    +0,24884    +0,35791 
        16      59442      -0,132434    +0,24847    +0,35626 

                          P R E D I C T I O N
  YEAR  2021
  Aug.  23      59449      -0,12612     +0,2457     +0,3446   
        30      59456      -0,12311     +0,2399     +0,3327   
  Sep.   6      59463      -0,11857     +0,2392     +0,3233   
        13      59470      -0,11933     +0,2309     +0,3109   
        20      59477      -0,11709     +0,2274     +0,3023   
        27      59484      -0,11538     +0,2240     +0,2947   
  Oct.   4      59491      -0,11074     +0,2208     +0,2868   

     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