Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2490

                                           25 September 2023


            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  2023
  Sep.  12      60199      +0,007983    +0,30940    +0,38430 
        13      60200      +0,008529    +0,30974    +0,38213 
        14      60201      +0,008878    +0,30974    +0,37993 
        15      60202      +0,009121    +0,30987    +0,37736 
        16      60203      +0,009256    +0,30991    +0,37450 
        17      60204      +0,009260    +0,30973    +0,37160 
        18      60205      +0,009446    +0,30900    +0,36886 

                          P R E D I C T I O N
  YEAR  2023
  Sep.  25      60212      +0,01339     +0,3042     +0,3495   
  Oct.   2      60219      +0,01114     +0,3035     +0,3311   
         9      60226      +0,01341     +0,2942     +0,3130   
        16      60233      +0,01125     +0,2909     +0,3004   
        23      60240      +0,01205     +0,2820     +0,2811   
        30      60247      +0,00641     +0,2665     +0,2663   
  Nov.   6      60254      +0,00563     +0,2547     +0,2530   

     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