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Re: ISO8601 vs POSIX offset clarification

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Sorry I didn't mean for it to come out as a complaint, just that I am confused since the result of the SQL query was not what I expected. I expected +11:00 to be 11 hours east of UTC which wasn't the case.



On 4 December 2017 at 13:55, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
Bharanee Rathna <deepfryed@xxxxxxxxx> writes:
> the documentation around how numeric offsets are parsed from strings is a
> bit confusing, are they supposed to be treated as ISO8601 or POSIX ?

Our documentation about this says clearly that Postgres considers offsets
to be ISO (positive-east-of-Greenwich) everywhere except in POSIX-style
time zone names.

> The Table 8-12. Time Zone Input section at
> https://www.postgresql.org/docs/9.3/static/datatype-datetime.html seems to
> imply that numeric offsets would be treated as ISO8601.

How do you read an entry such as

        -8:00   |       ISO-8601 offset for PST

as being in any way vague about which convention the "-8" is read in?

                        regards, tom lane


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