Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2558

                                           13 January 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  2024
  Dec.  31      60675      +0,045963    +0,14550    +0,30538 
  Jan.   1      60676      +0,046237    +0,14440    +0,30504 
         2      60677      +0,046375    +0,14331    +0,30491 
         3      60678      +0,046257    +0,14240    +0,30497 
         4      60679      +0,045856    +0,14156    +0,30523 
         5      60680      +0,045227    +0,14061    +0,30523 
         6      60681      +0,044454    +0,13981    +0,30520 

                          P R E D I C T I O N
  YEAR  2025
  Jan.  13      60688      +0,04353     +0,1321     +0,3065   
        20      60695      +0,04223     +0,1236     +0,3060   
        27      60702      +0,04221     +0,1108     +0,3080   
  Feb.   3      60709      +0,04031     +0,1015     +0,3094   
        10      60716      +0,04215     +0,0932     +0,3086   
        17      60723      +0,04152     +0,0849     +0,3082   
        24      60730      +0,04284     +0,0790     +0,3112   

     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