On Sun, 14 Dec 2008, Zefram wrote:
NOTE These expressions apply to both UTC and non-UTC based time
scales for time of day.
This seems to be the crucial bit that you missed. It's explicit about
allowing time scales other than UTC, and doesn't restrict the choice
of time scale
On Fri, 12 Dec 2008, Zefram wrote:
[ISO 8601 is] neutral about whether and when leap seconds may occur:
that's an application issue. The timezone designators are specifically
described as being relative to UTC, but it is more consistent with the
rest of the standard to treat that mention of
Tony Finch wrote:
I can't see anything in ISO 8601-2000 or -2004 that supports vague UT.
Both versions of the standard are quite specific about times of day being
UTC or at a specific offset from UTC.
Quoting from ISO 8601:2004(E). Start with the most fundamental
definition, section 2.1.1:
As part of some research on a different topic, I came across a
summary of the 1980 plenary meeting of CCITT, where appearantly the
CCITT formally decided to switch from GMT to UTC.
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Tom Van Baak wrote:
Does anyone know much time ISO spends defining leap days,
or does everyone just take them for granted? Is there official
text on the definition.
ISO 8601 fully defines the Gregorian calendar, including the complete
leap day rule. It says relatively little about leap seconds
