Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2638

                                           27 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
  July  14      61235      +0,011826    +0,21229    +0,37907 
        15      61236      +0,011812    +0,21266    +0,37776 
        16      61237      +0,011546    +0,21313    +0,37650 
        17      61238      +0,011065    +0,21401    +0,37530 
        18      61239      +0,010464    +0,21492    +0,37436 
        19      61240      +0,009877    +0,21544    +0,37337 
        20      61241      +0,009448    +0,21558    +0,37231 

                          P R E D I C T I O N
  YEAR  2026
  July  27      61248      +0,01136     +0,2197     +0,3669   
  Aug.   3      61255      +0,01059     +0,2193     +0,3601   
        10      61262      +0,00941     +0,2208     +0,3554   
        17      61269      +0,00776     +0,2170     +0,3493   
        24      61276      +0,01130     +0,2150     +0,3426   
        31      61283      +0,01009     +0,2102     +0,3374   
  Sep.   7      61290      +0,00810     +0,2005     +0,3319   

     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