64 Leap 1994 Jun 30 23:59:60 + S |
64 Leap 1994 Jun 30 23:59:60 + S |
65 Leap 1995 Dec 31 23:59:60 + S |
65 Leap 1995 Dec 31 23:59:60 + S |
66 Leap 1997 Jun 30 23:59:60 + S |
66 Leap 1997 Jun 30 23:59:60 + S |
67 Leap 1998 Dec 31 23:59:60 + S |
67 Leap 1998 Dec 31 23:59:60 + S |
68 Leap 2005 Dec 31 23:59:60 + S |
68 Leap 2005 Dec 31 23:59:60 + S |
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69 Leap 2008 Dec 31 23:59:60 + S |
69 |
70 |
70 # INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) |
71 # INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) |
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72 # |
71 # SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE |
73 # SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE |
72 # |
74 # |
73 # SERVICE DE LA ROTATION TERRESTRE |
75 # SERVICE DE LA ROTATION TERRESTRE |
74 # OBSERVATOIRE DE PARIS |
76 # OBSERVATOIRE DE PARIS |
75 # 61, Av. de l'Observatoire 75014 PARIS (France) |
77 # 61, Av. de l'Observatoire 75014 PARIS (France) |
76 # Tel. : 33 (0) 1 40 51 22 26 |
78 # Tel. : 33 (0) 1 40 51 22 26 |
77 # FAX : 33 (0) 1 40 51 22 91 |
79 # FAX : 33 (0) 1 40 51 22 91 |
78 # Internet : services.iers@obspm.fr |
80 # e-mail : services.iers@obspm.fr |
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81 # http://hpiers.obspm.fr/eop-pc |
79 # |
82 # |
80 # Paris, 28 June 2007 |
83 # Paris, 4 July 2008 |
81 # |
84 # |
82 # Bulletin C 34 |
85 # Bulletin C 36 |
83 # |
86 # |
84 # To authorities responsible |
87 # To authorities responsible |
85 # for the measurement and |
88 # for the measurement and |
86 # distribution of time |
89 # distribution of time |
87 # |
90 # |
88 # INFORMATION ON UTC - TAI |
91 # UTC TIME STEP |
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92 # on the 1st of January 2009 |
89 # |
93 # |
90 # NO positive leap second will be introduced at the end of December 2007. |
94 # A positive leap second will be introduced at the end of December 2008. |
91 # The difference between Coordinated Universal Time UTC and the |
95 # The sequence of dates of the UTC second markers will be: |
92 # International Atomic Time TAI is : |
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93 # |
96 # |
94 # from 2006 January 1, 0h UTC, until further notice : UTC-TAI = -33 s |
97 # 2008 December 31, 23h 59m 59s |
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98 # 2008 December 31, 23h 59m 60s |
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99 # 2009 January 1, 0h 0m 0s |
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100 # |
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101 # The difference between UTC and the International Atomic Time TAI is: |
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102 # |
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103 # from 2006 January 1, 0h UTC, to 2009 January 1 0h UTC : UTC-TAI = - 33s |
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104 # from 2009 January 1, 0h UTC, until further notice : UTC-TAI = - 34s |
95 # |
105 # |
96 # Leap seconds can be introduced in UTC at the end of the months of December |
106 # Leap seconds can be introduced in UTC at the end of the months of December |
97 # or June, depending on the evolution of UT1-TAI. Bulletin C is mailed every |
107 # or June, depending on the evolution of UT1-TAI. Bulletin C is mailed every |
98 # six months, either to announce a time step in UTC, or to confirm that there |
108 # six months, either to announce a time step in UTC or to confirm that there |
99 # will be no time step at the next possible date. |
109 # will be no time step at the next possible date. |
100 # |
110 # |
101 # Daniel GAMBIS |
111 # Daniel GAMBIS |
102 # Director |
112 # Head |
103 # Earth Orientation Center of IERS |
113 # Earth Orientation Center of IERS |
104 # Observatoire de Paris, France |
114 # Observatoire de Paris, France |