Talk:ISO 8601

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This is the talk page for discussing improvements to the ISO 8601 article.
This is not a forum for general discussion of the article's subject.

Put new text under old text. Click here to start a new topic.
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Text and/or other creative content from ISO 8601 usage was copied or moved into ISO 8601 with this edit. The former page's history now serves to provide attribution for that content in the latter page, and it must not be deleted as long as the latter page exists.

Wikipedia dates

Some people have proposed using ISO 8601 for Wikipedia dates. For more of this discussion, see Wikipedia talk:Manual of Style (dates and numbers).

It appears that it's rapidly becoming a de facto standard (if not yet de jure) at least for dates in Wikipedia citations.

Y10K

The Long Now foundation suggests that years should be written with five digits (ie 02003 for the year 2003) in order to avoid the Year 10,000 problem.

This is pointless: all it does is push the problem forward a few years to 100,000, and situation already exists for dates in the past (-10,000 and earlier.) May as well accept that the year number can have a varying number of digits -( 18:57 22 Jun 2003 (UTC)

RFC2550: Y10K and beyond — RFC document published as an April Fools joke in 1999; still it contains many potentially useful ideas.

Without seeing that I assumed they were serious! Brianjd

Daylight Savings Time

"But keep in mind that "PT36H" is not the same as "P1DT12H" when switching from or to Daylight saving time."

Not true. ISO 8601 makes no mention of daylight saving time. An ISO 8601 time does not represent civil wall clock time; it represents an absolute fixed moment in time, represented as UTC with a fixed offset. Therefore, a duration represents an absolute time duration, regardless of civil wall clock changes. In my opinion this text should be removed. Any objections? StormWillLaugh (talk) 15:26, 28 June 2016 (UTC)[reply]

omit the T character

When this article says "omit the 'T' character", does it mean replace the 'T' character with empty space (which "Python package: iso-8601" says is "common"), leaving some space between the date and the time? Or does it mean remove both the 'T' character and the space it occupies, pushing the date and the time together with no space between them? --DavidCary (talk) 02:05, 10 October 2016 (UTC)[reply]

Omitting year - confusing example

In the text we have

The 2000 version allowed writing "--04-05" to mean "April 5"[14] but the 2004 version does not allow omitting the year when a month is present.

But in examples --04-05 is shown as valid. This is contradictory and therefore confiusing. --176.101.148.15 (talk) 16:36, 5 December 2016 (UTC)[reply]