# Value of TAI-UTC in second valid beetween the initial value until # the epoch given on the next line. The last line reads that NO # leap second was introduced since the corresponding date # Updated through IERS Bulletin 67 issued in January 2024 # # # File expires on 28 December 2024 # # # MJD Date TAI-UTC (s) # day month year # --- -------------- ------ # 41317.0 1 1 1972 10 41499.0 1 7 1972 11 41683.0 1 1 1973 12 42048.0 1 1 1974 13 42413.0 1 1 1975 14 42778.0 1 1 1976 15 43144.0 1 1 1977 16 43509.0 1 1 1978 17 43874.0 1 1 1979 18 44239.0 1 1 1980 19 44786.0 1 7 1981 20 45151.0 1 7 1982 21 45516.0 1 7 1983 22 46247.0 1 7 1985 23 47161.0 1 1 1988 24 47892.0 1 1 1990 25 48257.0 1 1 1991 26 48804.0 1 7 1992 27 49169.0 1 7 1993 28 49534.0 1 7 1994 29 50083.0 1 1 1996 30 50630.0 1 7 1997 31 51179.0 1 1 1999 32 53736.0 1 1 2006 33 54832.0 1 1 2009 34 56109.0 1 7 2012 35 57204.0 1 7 2015 36 57754.0 1 1 2017 37