Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2579

                                            9 June 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
  May   27      60822      +0,027472    +0,11067    +0,43709 
        28      60823      +0,027711    +0,11130    +0,43748 
        29      60824      +0,028094    +0,11166    +0,43772 
        30      60825      +0,028471    +0,11214    +0,43750 
        31      60826      +0,028769    +0,11273    +0,43734 
  June   1      60827      +0,028942    +0,11340    +0,43763 
         2      60828      +0,028977    +0,11432    +0,43799 

                          P R E D I C T I O N
  YEAR  2025
  June   9      60835      +0,02938     +0,1225     +0,4400   
        16      60842      +0,03358     +0,1278     +0,4403   
        23      60849      +0,03436     +0,1354     +0,4404   
        30      60856      +0,03956     +0,1449     +0,4393   
  July   7      60863      +0,04406     +0,1527     +0,4371   
        14      60870      +0,05189     +0,1611     +0,4347   
        21      60877      +0,05574     +0,1726     +0,4321   

     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