Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2572

                                           21 April 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.   8      60773      +0,036916    +0,06397    +0,38763 
         9      60774      +0,036420    +0,06488    +0,38877 
        10      60775      +0,035839    +0,06599    +0,39005 
        11      60776      +0,035193    +0,06691    +0,39179 
        12      60777      +0,034552    +0,06746    +0,39360 
        13      60778      +0,033990    +0,06799    +0,39497 
        14      60779      +0,033566    +0,06865    +0,39614 

                          P R E D I C T I O N
  YEAR  2025
  Apr.  21      60786      +0,03415     +0,0735     +0,4043   
        28      60793      +0,02910     +0,0831     +0,4144   
  May    5      60800      +0,02971     +0,0896     +0,4243   
        12      60807      +0,02752     +0,0949     +0,4325   
        19      60814      +0,03012     +0,1007     +0,4414   
        26      60821      +0,02789     +0,1072     +0,4504   
  June   2      60828      +0,03092     +0,1149     +0,4553   

     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