Talk:ISO 8601

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Wikipedia dates[edit]

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.

hhmm zone offset out of spec?[edit]

The section on time zone designators suggest ISO 8601 allows an offset without a colon:

After reviewing the ISO 8601-2 pdf, it appears that this may not be allowed. Section C.1.3.2 says:

"Zone-offset may be omitted or included. Time zone designation consists of either a 'Z' to indicate UTC, or a '+' or '-' to indicate "ahead of UTC" or "behind UTC", followed by a 2-digit hour, followed optionally by a colon and the 2-digit minutes."

Many implementations of ISO 8601 seem to allow the colon to be omitted, but maybe this is a common misconception. Can anyone cite where the hhmm offset came from? — Preceding unsigned comment added by 192.206.204.10 (talk) 19:07, 2 March 2018 (UTC)

a) You refer to the draft, not accepted standard. b) You refer to the extended profile, not basic.
See 4.2.1 ISO/WD 8601-1 pdf

zelenin (talk) 21:18, 2 March 2018 (UTC)


Great! Thanks for providing the reference, section 4.2.5.2 explicitly shows hhmm offsets are allowed. I'd like to suggest linking the iso8601-1 pdf in the article so it is easier to find. 192.206.204.10 (talk) 17:51, 6 March 2018 (UTC)

A suggestion on ISO date format[edit]

Greetings, everybody, I don't know how to suggest this to the ISO, but I don't know how they missed it. The date format standardisation is yyyy-MM-dd, which is good for clearing the confusion between the dd-MM-yyyy and MM-dd-yyyy formats. But, as an Arabic speaker, it's very frustrating. Because of you typed it on computer, it shows in reverse, for the "-" is flexible to RTL and LTR directions, unlike other marks or the ".". And if I typed it the normal Arabic way it shows right, but it loses its sorting advantage. So I suggest the format yyyy.MM.dd for the mentioned reason and another one, it doesn't break at the end of a line. Best Regards Abu-Ghadeer ؛؛؛؛

AhmedAbuGhadeer (talk) 08:02, 29 May 2018 (UTC)
This talk page is for discussing how to improve this Wikipedia article. Suggestions for improving the standard are out of scope. I don't know how to suggest changes to the standard either. Jc3s5h (talk) 09:36, 29 May 2018 (UTC)

Leap Seconds[edit]

I came hear after reading some code that supposedly conformed with ISO 8601 but didn't support the 61st second on days that had them. After reading the draft it appears that this page is wrong. (Maybe older versions of the standard are different?) 199.64.6.155 (talk) 14:51, 27 June 2018 (UTC)

As it says in this article, "The standard does not assign any specific meaning to elements of the date/time to be represented; the meaning will depend on the context of its use." It's possible the code is representing some version of time that does not include leap seconds.
Could you quote the passage in this article that you think is wrong? Could you also specify what drat you read (and if the draft is more than a page long, specify what page, or give a quote we can search for)? Jc3s5h (talk) 15:12, 27 June 2018 (UTC)