| Leap 1972 Jun 30 23:59:60 + S | |
| Leap 1972 Dec 31 23:59:60 + S | |
| Leap 1973 Dec 31 23:59:60 + S | |
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| Leap 1981 Jun 30 23:59:60 + S | |
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| Leap 1983 Jun 30 23:59:60 + S | |
| Leap 1985 Jun 30 23:59:60 + S | |
| Leap 1987 Dec 31 23:59:60 + S | |
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| Leap 1995 Dec 31 23:59:60 + S | |
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| Leap 1998 Dec 31 23:59:60 + S | |
| Leap 2005 Dec 31 23:59:60 + S | |
| Leap 2008 Dec 31 23:59:60 + S | |
| Leap 2012 Jun 30 23:59:60 + S |