NAGU TYPE: GENERAL

NAGU NUMBER: 2015010

NAGU SUBJECT: LEAP SECOND 

NAGU REFERENCED TO: N/A

START DATE EVENT (UTC): 2015-06-30 23:59

END DATE EVENT (UTC): 2015-07-01 00:00

SATELLITE AFFECTED: ALL

 

EVENT DESCRIPTION: THE INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) HAS ANNOUNCED THE INTRODUCTION OF A LEAP SECOND TO OCCUR AT THE END OF JUNE 2015.

 

COORDINATED UNIVERSAL TIME (UTC) WILL SEQUENCE AS FOLLOWS:

 30 JUN 2015 23 HOURS 59 MINUTES 59 SECONDS

 30 JUN 2015 23 HOURS 59 MINUTES 60 SECONDS

 01 JUL 2015 00 HOURS 00 MINUTES 00 SECONDS

 

USERS ARE ADVISED THAT THE UTC DATA IN THE GALILEO NAVIGATION MESSAGE WILL CHANGE IN ACCORDANCE WITH OS SIS ICD (SECTION 5.1.7).

 

BEFORE THE LEAP SECOND

GST-UTC IS 16 (GST IS AHEAD OF UTC BY 16 SECONDS)

 

AFTER THE LEAP SECOND

GST-UTC WILL BE 17 (GST WILL BE AHEAD OF UTC BY 17 SECONDS)

 

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