Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2627

                                           11 May 2026


            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  2026
  Apr.  28      61158      +0,035253    +0,15551    +0,41937 
        29      61159      +0,034331    +0,15547    +0,41901 
        30      61160      +0,033535    +0,15559    +0,41804 
  May    1      61161      +0,032919    +0,15599    +0,41743 
         2      61162      +0,032484    +0,15682    +0,41715 
         3      61163      +0,032220    +0,15804    +0,41684 
         4      61164      +0,032105    +0,15971    +0,41635 

                          P R E D I C T I O N
  YEAR  2026
  May   11      61171      +0,03103     +0,1678     +0,4149   
        18      61178      +0,02663     +0,1698     +0,4132   
        25      61185      +0,02522     +0,1745     +0,4113   
  June   1      61192      +0,02478     +0,1802     +0,4071   
         8      61199      +0,02715     +0,1913     +0,4020   
        15      61206      +0,02713     +0,2042     +0,3980   
        22      61213      +0,02908     +0,2115     +0,3927   

     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