On Sun, Oct 09, 2005 at 07:20:53PM -0400, Simon Law wrote:
> Is there a way for postgres to output using the 12 hour standard
> instead of army time? The column is of type time
By "army time" I assume you mean 24-hour time, which is widely used
in non-military settings, especially outside the United States. In
many countries, 24-hour time is just as "standard" as 12-hour time,
and is understood by the population at large because it's the usual
format for TV and radio schedules, train and bus timetables, etc.
It was a bright cold day in April, and the clocks were striking
thirteen.
--Opening sentence of _1984_ by George Orwell
You can use to_char() to format time types, although it apparently
works via an implicit cast to interval, as Bruce Momjian explains
in the following message:
http://archives.postgresql.org/pgsql-bugs/2005-02/msg00245.php
See "Data Type Formatting Functions" in the documentation to learn
how to use to_char():
http://www.postgresql.org/docs/8.0/interactive/functions-formatting.html
Example:
CREATE TABLE foo (t time);
INSERT INTO foo (t) VALUES ('08:00:00');
INSERT INTO foo (t) VALUES ('20:00:00');
SELECT t, to_char(t, 'HH12:MI:SSam') FROM foo;
t | to_char
--+
08:00:00 | 08:00:00am
20:00:00 | 08:00:00pm
(2 rows)
--
Michael Fuhr
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