Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2596

                                            6 October 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.  23      60941      +0,089697    +0,23154    +0,35622 
        24      60942      +0,089649    +0,23115    +0,35490 
        25      60943      +0,089749    +0,23057    +0,35341 
        26      60944      +0,089983    +0,22954    +0,35164 
        27      60945      +0,090373    +0,22810    +0,34951 
        28      60946      +0,090961    +0,22672    +0,34708 
        29      60947      +0,091669    +0,22601    +0,34500 

                          P R E D I C T I O N
  YEAR  2025
  Oct.   6      60954      +0,09243     +0,2193     +0,3318   
        13      60961      +0,09086     +0,2119     +0,3226   
        20      60968      +0,08877     +0,2021     +0,3125   
        27      60975      +0,08914     +0,1958     +0,3054   
  Nov.   3      60982      +0,08745     +0,1868     +0,3018   
        10      60989      +0,08662     +0,1780     +0,2976   
        17      60996      +0,08413     +0,1698     +0,2931   

     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