Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2455

                                           23 January 2023


            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  2023
  Jan.  10      59954      -0,016905    +0,04124    +0,21012 
        11      59955      -0,016947    +0,03892    +0,21102 
        12      59956      -0,017088    +0,03653    +0,21184 
        13      59957      -0,017188    +0,03414    +0,21294 
        14      59958      -0,017360    +0,03174    +0,21437 
        15      59959      -0,017588    +0,02934    +0,21611 
        16      59960      -0,017727    +0,02682    +0,21793 

                          P R E D I C T I O N
  YEAR  2023
  Jan.  23      59967      -0,01558     +0,0107     +0,2327   
        30      59974      -0,01824     -0,0004     +0,2447   
  Feb.   6      59981      -0,01489     -0,0163     +0,2579   
        13      59988      -0,01625     -0,0291     +0,2727   
        20      59995      -0,01417     -0,0290     +0,2896   
        27      60002      -0,01553     -0,0323     +0,3087   
  Mar.   6      60009      -0,01191     -0,0335     +0,3267   

     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