http://man7.org/linux/man-pages/man3/strftime.3.html
"ISO 8601 week dates
%G, %g, and %V yield values calculated from the week-based year
defined by the ISO 8601 standard. In this system, weeks start on a
Monday, and are numbered from 01, for the first week, up to 52 or 53,
for the last week. Week 1 is the first week where four or more days
fall within the new year (or, synonymously, week 01 is: the first
week of the year that contains a Thursday; or, the week that has 4
January in it). When three of fewer days of the first calendar week
of the new year fall within that year, then the ISO 8601 week-based
system counts those days as part of week 53 of the preceding year.
For example, 1 January 2010 is a Friday, meaning that just three days
of that calendar week fall in 2010. Thus, the ISO 8601 week-based
system considers these days to be part of week 53 (%V) of the year
2009 (%G); week 01 of ISO 8601 year 2010 starts on Monday, 4 January
2010."
%g as "shortest representation of a float" is from (s)printf format specifiers.
-----Ursprüngliche Nachricht-----
Von: sqlite-users [mailto:[email protected]] Im
Auftrag von Simon Slavin
Gesendet: Montag, 16. Jänner 2017 13:30
An: SQLite mailing list <[email protected]>
Betreff: Re: [sqlite] Feature request
On 16 Jan 2017, at 12:17pm, Hick Gunter <[email protected]> wrote:
> Please be aware that %V implies %G/%g (four and two digit ISO Year number),
> which differs from %Y/%y on the "spillover days" that belong to the
> first/last week of the "other" year.
Can you tell me where your %G and %g definitions are coming from ? I thought
%g was for printing the shortest representation of a number.
Simon.
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