Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2456

                                           30 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.  17      59961      -0,017733    +0,02433    +0,22008 
        18      59962      -0,017569    +0,02188    +0,22227 
        19      59963      -0,017194    +0,01922    +0,22400 
        20      59964      -0,016629    +0,01667    +0,22528 
        21      59965      -0,016131    +0,01403    +0,22658 
        22      59966      -0,015643    +0,01094    +0,22753 
        23      59967      -0,015246    +0,00805    +0,22870 

                          P R E D I C T I O N
  YEAR  2023
  Jan.  30      59974      -0,01555     -0,0079     +0,2383   
  Feb.   6      59981      -0,01132     -0,0214     +0,2543   
        13      59988      -0,01284     -0,0287     +0,2688   
        20      59995      -0,01176     -0,0404     +0,2842   
        27      60002      -0,01493     -0,0490     +0,3008   
  Mar.   6      60009      -0,01175     -0,0444     +0,3190   
        13      60016      -0,01250     -0,0430     +0,3389   

     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