Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2221

                                           30 July 2018


            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  2018
  July  17      58316      +0,070970    +0,18732    +0,41800 
        18      58317      +0,070439    +0,18837    +0,41743 
        19      58318      +0,069910    +0,18946    +0,41667 
        20      58319      +0,069463    +0,19058    +0,41571 
        21      58320      +0,069166    +0,19171    +0,41467 
        22      58321      +0,069036    +0,19268    +0,41364 
        23      58322      +0,069055    +0,19371    +0,41280 

                          P R E D I C T I O N
  YEAR  2018
  July  30      58329      +0,07025     +0,1998     +0,4074   
  Aug.   6      58336      +0,06911     +0,2044     +0,4004   
        13      58343      +0,06923     +0,2062     +0,3915   
        20      58350      +0,07045     +0,2134     +0,3800   
        27      58357      +0,07443     +0,2160     +0,3660   
  Sep.   3      58364      +0,07328     +0,2139     +0,3498   
        10      58371      +0,07032     +0,2077     +0,3366   

     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