Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2631

                                            8 June 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
  May   26      61186      +0,020721    +0,17940    +0,40963 
        27      61187      +0,019832    +0,18000    +0,40948 
        28      61188      +0,019085    +0,18050    +0,40943 
        29      61189      +0,018498    +0,18091    +0,40917 
        30      61190      +0,018077    +0,18115    +0,40852 
        31      61191      +0,017825    +0,18151    +0,40803 
  June   1      61192      +0,017751    +0,18208    +0,40771 

                          P R E D I C T I O N
  YEAR  2026
  June   8      61199      +0,01576     +0,1863     +0,4065   
        15      61206      +0,01185     +0,1899     +0,4026   
        22      61213      +0,01120     +0,1916     +0,4000   
        29      61220      +0,01402     +0,1939     +0,3915   
  July   6      61227      +0,01753     +0,1973     +0,3837   
        13      61234      +0,02024     +0,1950     +0,3764   
        20      61241      +0,02240     +0,1946     +0,3694   

     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