Re: [LEAPSECS]Comparing Time Scales

From: James Maynard <james.h.maynard_at_usa.net>
Date: Fri, 03 Feb 2006 15:37:40 -0800

Thanks, guys, for your feedback. Here's another iteration.

The numbering of NTP seconds in the vicinity of a leap second seems to
differ from one document to another. Here I follow the NTP (version 3)
specification, RFC 1305, in which the Leap Indicator (sys.leap,
peer.leap, pkt.leap) is 01 if a positive leap second is to occur at the
end of the current UTC day, and 00 if no leap second is pending.

UTC = 2005-12-31 23:59:59, NTP seconds = 3 345 062 399, LS_pending = 01
UTC = 2005-12-31 23:59:60, NTP seconds = 3 345 062 400, LS_pending = 01
UTC = 2006-01-01 00:00:00, NTP seconds = 3 345 062 400, LS_pending = 00

--
James Maynard
Salem, Oregon, USA




Received on Fri Feb 03 2006 - 15:40:14 PST

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