Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2378

                                            2 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
  July  20      59415      -0,150708    +0,23996    +0,39871 
        21      59416      -0,150085    +0,24138    +0,39736 
        22      59417      -0,149278    +0,24250    +0,39604 
        23      59418      -0,148349    +0,24347    +0,39464 
        24      59419      -0,147480    +0,24429    +0,39320 
        25      59420      -0,146723    +0,24449    +0,39187 
        26      59421      -0,146089    +0,24415    +0,39042 

                          P R E D I C T I O N
  YEAR  2021
  Aug.   2      59428      -0,14271     +0,2434     +0,3800   
         9      59435      -0,13552     +0,2492     +0,3705   
        16      59442      -0,13150     +0,2547     +0,3609   
        23      59449      -0,12362     +0,2601     +0,3503   
        30      59456      -0,11771     +0,2610     +0,3386   
  Sep.   6      59463      -0,11077     +0,2583     +0,3282   
        13      59470      -0,10987     +0,2487     +0,3192   

     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