id_document -> time format -> TZ offset

Issue #1122 closed
Vladimir Dzhuvinov created an issue

time: Time stamp in ISO 8601:2004 [ISO8601-2004] YYYY-MM-DDThh:mm:ss±hh format representing the date when this id document was verified.

I was pointed out that certain timezone offsets can include minutes (+/-30/45) so the format should be


PS: There are other normative places in the spec where this timestamp format appears.

Comments (5)

  1. Vladimir Dzhuvinov reporter

    I suspect they chose this odd timezone offset so that the territory stays, on average, as close as possible to the solar day, which was the “original” day. Since we have timezones “noon” and “midnight” have mostly lost their original meaning. There are small countries in Europe and perhaps elsewhere where at 12am the solar noon is way outside their territory, which may be noticed with sunrises or sunsets having unusually early / late times.

    Things will become more interesting when we start colonising other planets. A whole bunch of ISO and other standards, not just ISO 8601, will then have to be reworked :)

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