Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2623

                                           13 April 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.  31      61130      +0,051943    +0,12289    +0,40907 
  Apr.   1      61131      +0,050971    +0,12468    +0,40941 
         2      61132      +0,050026    +0,12636    +0,41029 
         3      61133      +0,049201    +0,12785    +0,41129 
         4      61134      +0,048552    +0,12963    +0,41200 
         5      61135      +0,048114    +0,13162    +0,41260 
         6      61136      +0,047887    +0,13357    +0,41313 

                          P R E D I C T I O N
  YEAR  2026
  Apr.  13      61143      +0,04675     +0,1451     +0,4151   
        20      61150      +0,04039     +0,1587     +0,4179   
        27      61157      +0,03827     +0,1680     +0,4195   
  May    4      61164      +0,03415     +0,1737     +0,4197   
        11      61171      +0,03401     +0,1755     +0,4162   
        18      61178      +0,03131     +0,1798     +0,4126   
        25      61185      +0,03160     +0,1866     +0,4091   

     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