Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2594

                                           22 September 2025


            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  2025
  Sep.   9      60927      +0,088273    +0,23445    +0,37972 
        10      60928      +0,087888    +0,23531    +0,37845 
        11      60929      +0,087644    +0,23606    +0,37714 
        12      60930      +0,087597    +0,23640    +0,37560 
        13      60931      +0,087812    +0,23623    +0,37382 
        14      60932      +0,088277    +0,23577    +0,37188 
        15      60933      +0,088907    +0,23521    +0,36997 

                          P R E D I C T I O N
  YEAR  2025
  Sep.  22      60940      +0,08980     +0,2311     +0,3580   
        29      60947      +0,09135     +0,2295     +0,3489   
  Oct.   6      60954      +0,09174     +0,2248     +0,3426   
        13      60961      +0,09130     +0,2200     +0,3354   
        20      60968      +0,08979     +0,2152     +0,3274   
        27      60975      +0,09025     +0,2054     +0,3208   
  Nov.   3      60982      +0,08796     +0,1942     +0,3140   

     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