Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2633

                                           22 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
  June   9      61200      +0,014762    +0,18741    +0,40648 
        10      61201      +0,013805    +0,18781    +0,40588 
        11      61202      +0,012922    +0,18836    +0,40509 
        12      61203      +0,012250    +0,18923    +0,40414 
        13      61204      +0,011860    +0,19040    +0,40328 
        14      61205      +0,011812    +0,19152    +0,40265 
        15      61206      +0,011935    +0,19253    +0,40214 

                          P R E D I C T I O N
  YEAR  2026
  June  22      61213      +0,01024     +0,1983     +0,3985   
        29      61220      +0,00987     +0,1994     +0,3936   
  July   6      61227      +0,00991     +0,2010     +0,3904   
        13      61234      +0,00923     +0,2019     +0,3839   
        20      61241      +0,00975     +0,2004     +0,3790   
        27      61248      +0,01448     +0,1993     +0,3685   
  Aug.   3      61255      +0,01781     +0,1990     +0,3590   

     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