On 03/09/2016 06:42 AM, Alex Ignatov wrote:
> In Table 9-22. Template Patterns for Date/Time Formatting we have
> 
> 'J    Julian Day (days since November 24, 4714 BC at midnight)'
> 
> But there is no any information about what calender use for date of
> November 24, 4714 BC. From wikipedia we know that it is
> November 24, 4714 BC, in the proleptic Gregorian calendar.

I don't think we need to overdocument this.  The Julian Day is defined
outside of PostgreSQL, and those who are considering using it will know
about these kinds of details.



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