[ntpwg] Comments on NTP draft -06
Stewart Bryant
stbryant at cisco.com
Thu Jun 28 22:00:19 UTC 2007
Steve Allen wrote:
> On Thu 2007-06-28T10:11:49 -0400, Danny Mayer hath writ:
>
>>> LI Leap Indicator (leap): 2-bit integer warning of an impending leap
>>> second to be inserted or deleted in the last minute of the current
>>> month with values defined in Figure 10.
>>>
>>> +-------+-------------------------------------------------+
>>> | Value | Meaning |
>>> +-------+-------------------------------------------------+
>>> | 0 | no warning |
>>> | 1 | last minute of the day has 61 seconds |
>>> | 2 | last minute of the day has 59 seconds |
>>> SB> surely last minute of the last day of the month has X seconds?
>>>
>> Not exactly. It's actually the last day of a specific quarter though I
>> don't think it's ever happened yet on any day but the last day of the year.
>>
>
> No, not the quarter. The text is right to use "month". ITU-R TF.460
> allows for a leap second on the last day of *any* month. That's
> another point in favor of including a reference to the official
> document.
>
> Perhaps the original point was that when the LI is 0 then the last
> minute of the month should default to 60 seconds?
>
That too.
My point was that the text in the table should align with the main text,
which as a I recall said last second of the month.
- Stewart
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