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[time] ISO week number #726

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Crissov opened this issue Apr 18, 2017 · 2 comments
Closed

[time] ISO week number #726

Crissov opened this issue Apr 18, 2017 · 2 comments
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@Crissov
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@Crissov Crissov commented Apr 18, 2017

I have not yet reviewed all of the Time Ontology in OWL draft, but this note for time:week is so blatantly wrong that I'm afraid there is still a lot of thorough work to do:

According to ISO-8601, the first Monday in the year is the start of week number 1.

This would only be correct if year referenced the ISO week year instead of the (Gregorian) month year, but then it would basically be a tautology.

  • Calendar week number 1 contains the first Thursday of January and starts on the preceding Monday.
  • Calendar week number 1 contains the fourth day of January and starts on this day if it is a Monday, else on the preceding Monday.
  • The first Monday in January either starts calendar week number 1 or 2, according to ISO 8601.
@dr-shorthair

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@dr-shorthair dr-shorthair commented Apr 19, 2017

@dr-shorthair

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@dr-shorthair dr-shorthair commented May 17, 2017

Superseded by #886

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