Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2582

                                           30 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
  June  17      60843      +0,035074    +0,13905    +0,44273 
        18      60844      +0,035126    +0,14068    +0,44292 
        19      60845      +0,035049    +0,14210    +0,44303 
        20      60846      +0,034939    +0,14361    +0,44275 
        21      60847      +0,034925    +0,14526    +0,44252 
        22      60848      +0,035136    +0,14692    +0,44226 
        23      60849      +0,035818    +0,14864    +0,44196 

                          P R E D I C T I O N
  YEAR  2025
  June  30      60856      +0,04222     +0,1600     +0,4388   
  July   7      60863      +0,04651     +0,1721     +0,4359   
        14      60870      +0,05365     +0,1813     +0,4333   
        21      60877      +0,05646     +0,1877     +0,4289   
        28      60884      +0,06189     +0,1901     +0,4225   
  Aug.   4      60891      +0,06749     +0,1939     +0,4160   
        11      60898      +0,07442     +0,1989     +0,4087   

     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