Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2603

                                           24 November 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
  Nov.  11      60990      +0,087994    +0,16162    +0,31527 
        12      60991      +0,087608    +0,16022    +0,31509 
        13      60992      +0,087089    +0,15841    +0,31516 
        14      60993      +0,086422    +0,15642    +0,31547 
        15      60994      +0,085653    +0,15458    +0,31586 
        16      60995      +0,084909    +0,15291    +0,31625 
        17      60996      +0,084303    +0,15114    +0,31651 

                          P R E D I C T I O N
  YEAR  2025/26
  Nov.  24      61003      +0,08438     +0,1388     +0,3183   
  Dec.   1      61010      +0,08123     +0,1290     +0,3196   
         8      61017      +0,07975     +0,1147     +0,3225   
        15      61024      +0,07694     +0,1022     +0,3286   
        22      61031      +0,08047     +0,0878     +0,3377   
        29      61038      +0,08169     +0,0724     +0,3439   
  Jan.   5      61045      +0,08462     +0,0584     +0,3484   

     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