Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2636

                                           13 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  30      61221      +0,013995    +0,20484    +0,38993 
  July   1      61222      +0,014522    +0,20523    +0,38922 
         2      61223      +0,014837    +0,20548    +0,38856 
         3      61224      +0,014884    +0,20568    +0,38767 
         4      61225      +0,014671    +0,20627    +0,38655 
         5      61226      +0,014236    +0,20765    +0,38537 
         6      61227      +0,013624    +0,20916    +0,38460 

                          P R E D I C T I O N
  YEAR  2026
  July  13      61234      +0,01167     +0,2173     +0,3805   
        20      61241      +0,01122     +0,2180     +0,3748   
        27      61248      +0,01553     +0,2208     +0,3678   
  Aug.   3      61255      +0,01705     +0,2206     +0,3619   
        10      61262      +0,01672     +0,2155     +0,3552   
        17      61269      +0,01370     +0,2106     +0,3510   
        24      61276      +0,01494     +0,2047     +0,3443   

     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