Year
30 June
23:59:60
31 December
23:59:60
1972
+1 second
+1 second
1973
+1 second
1974
+1 second
1975
+1 second
1976
+1 second
1977
+1 second
1978
+1 second
1979
+1 second
1981
+1 second
1982
+1 second
1983
+1 second
Year
30 June
23:59:60
31 December
23:59:60
1985
+1 second
1987
+1 second
1989
+1 second
1990
+1 second
1992
+1 second
1993
+1 second
1994
+1 second
1995
+1 second
1997
+1 second
1998
+1 second
2005
+1 second