Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2621

                                           30 March 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
  Mar.  17      61116      +0,060827    +0,10479    +0,39868 
        18      61117      +0,059836    +0,10516    +0,39950 
        19      61118      +0,058692    +0,10570    +0,40014 
        20      61119      +0,057520    +0,10619    +0,40082 
        21      61120      +0,056462    +0,10657    +0,40155 
        22      61121      +0,055651    +0,10716    +0,40221 
        23      61122      +0,055158    +0,10822    +0,40289 

                          P R E D I C T I O N
  YEAR  2026
  Mar.  30      61129      +0,05326     +0,1148     +0,4069   
  Apr.   6      61136      +0,04741     +0,1188     +0,4105   
        13      61143      +0,04610     +0,1195     +0,4105   
        20      61150      +0,04092     +0,1232     +0,4107   
        27      61157      +0,03951     +0,1300     +0,4113   
  May    4      61164      +0,03773     +0,1421     +0,4121   
        11      61171      +0,03871     +0,1592     +0,4137   

     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