Sorry, I mistyped that query in my bug report, damaging its credibility,
but the bug is actually there when you use "MI" for minutes:
template1=# select to_char(timestamp '2000-01-01 13:45:00', 'HH12:MI pm');
to_char
----------
01:45 am
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Sam Hokin ..... mailto:sam@bsharp.org .... http://www.bsharp.org/sam