Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2635

                                            6 July 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  23      61214      +0,011159    +0,19897    +0,39623 
        24      61215      +0,011134    +0,20047    +0,39527 
        25      61216      +0,011281    +0,20167    +0,39445 
        26      61217      +0,011605    +0,20256    +0,39361 
        27      61218      +0,012093    +0,20324    +0,39268 
        28      61219      +0,012693    +0,20383    +0,39175 
        29      61220      +0,013365    +0,20433    +0,39084 

                          P R E D I C T I O N
  YEAR  2026
  July   6      61227      +0,01515     +0,2076     +0,3853   
        13      61234      +0,01676     +0,2125     +0,3789   
        20      61241      +0,01661     +0,2147     +0,3735   
        27      61248      +0,01815     +0,2120     +0,3669   
  Aug.   3      61255      +0,01798     +0,2094     +0,3627   
        10      61262      +0,01814     +0,2060     +0,3556   
        17      61269      +0,01748     +0,2000     +0,3505   

     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