Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2595

                                           29 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.  16      60934      +0,089545    +0,23476    +0,36806 
        17      60935      +0,090075    +0,23427    +0,36627 
        18      60936      +0,090398    +0,23368    +0,36450 
        19      60937      +0,090501    +0,23316    +0,36274 
        20      60938      +0,090410    +0,23277    +0,36099 
        21      60939      +0,090178    +0,23235    +0,35930 
        22      60940      +0,089896    +0,23195    +0,35768 

                          P R E D I C T I O N
  YEAR  2025
  Sep.  29      60947      +0,09135     +0,2282     +0,3477   
  Oct.   6      60954      +0,09101     +0,2210     +0,3364   
        13      60961      +0,08955     +0,2168     +0,3280   
        20      60968      +0,08817     +0,2098     +0,3229   
        27      60975      +0,08956     +0,2028     +0,3170   
  Nov.   3      60982      +0,08774     +0,1961     +0,3106   
        10      60989      +0,08599     +0,1847     +0,3057   

     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