Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2574

                                            5 May 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
  Apr.  22      60787      +0,034335    +0,07617    +0,40621 
        23      60788      +0,034014    +0,07746    +0,40721 
        24      60789      +0,033425    +0,07887    +0,40836 
        25      60790      +0,032578    +0,08036    +0,40984 
        26      60791      +0,031598    +0,08163    +0,41138 
        27      60792      +0,030747    +0,08256    +0,41283 
        28      60793      +0,030107    +0,08324    +0,41406 

                          P R E D I C T I O N
  YEAR  2025
  May    5      60800      +0,03034     +0,0896     +0,4214   
        12      60807      +0,02870     +0,1008     +0,4292   
        19      60814      +0,03123     +0,1091     +0,4352   
        26      60821      +0,02849     +0,1217     +0,4423   
  June   2      60828      +0,03158     +0,1307     +0,4490   
         9      60835      +0,03248     +0,1378     +0,4536   
        16      60842      +0,03798     +0,1449     +0,4586   

     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