Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2625

                                           27 April 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.  14      61144      +0,045222    +0,14425    +0,41466 
        15      61145      +0,044093    +0,14515    +0,41499 
        16      61146      +0,042829    +0,14586    +0,41522 
        17      61147      +0,041607    +0,14666    +0,41534 
        18      61148      +0,040538    +0,14758    +0,41540 
        19      61149      +0,039734    +0,14844    +0,41574 
        20      61150      +0,039241    +0,14922    +0,41598 

                          P R E D I C T I O N
  YEAR  2026
  Apr.  27      61157      +0,03622     +0,1544     +0,4166   
  May    4      61164      +0,03217     +0,1605     +0,4160   
        11      61171      +0,03203     +0,1727     +0,4143   
        18      61178      +0,02813     +0,1872     +0,4136   
        25      61185      +0,02771     +0,1967     +0,4115   
  June   1      61192      +0,02721     +0,2023     +0,4078   
         8      61199      +0,02958     +0,2033     +0,4004   

     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