Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2613

                                            2 February 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
  Jan.  20      61060      +0,074335    +0,09231    +0,34447 
        21      61061      +0,074174    +0,09158    +0,34593 
        22      61062      +0,073729    +0,09122    +0,34756 
        23      61063      +0,073039    +0,09124    +0,34914 
        24      61064      +0,072224    +0,09157    +0,35070 
        25      61065      +0,071466    +0,09190    +0,35218 
        26      61066      +0,070890    +0,09190    +0,35347 

                          P R E D I C T I O N
  YEAR  2026
  Feb.   2      61073      +0,07058     +0,0938     +0,3627   
         9      61080      +0,06747     +0,0906     +0,3712   
        16      61087      +0,06914     +0,0921     +0,3768   
        23      61094      +0,06373     +0,0902     +0,3854   
  Mar.   2      61101      +0,06259     +0,1006     +0,3990   
         9      61108      +0,05841     +0,1045     +0,4093   
        16      61115      +0,05894     +0,1110     +0,4176   

     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