[bug #16214] 'date -d' missets the hour using certain syntax

[Dallman Ross]

Follow-up Comment #1, bug #16214 (project coreutils):

Hmm.  It seems -- and this is thanks to Michael Polyemakos and Stephen Harris
-- what I found isn't a bug, but an undocumented (I think) "feature":

a->i k->m == +1 -> +12 hours
n->y == -1 -> -12 hours

ie the result of   TZ=UTC date -d "12:00 $v" where v changes is:
  a --> Wed Mar 29 13:00:00 UTC 2006
  b --> Wed Mar 29 14:00:00 UTC 2006
  c --> Wed Mar 29 15:00:00 UTC 2006
  d --> Wed Mar 29 16:00:00 UTC 2006
  e --> Wed Mar 29 17:00:00 UTC 2006
  f --> Wed Mar 29 18:00:00 UTC 2006
  g --> Wed Mar 29 19:00:00 UTC 2006
  h --> Wed Mar 29 20:00:00 UTC 2006
  i --> Wed Mar 29 21:00:00 UTC 2006
  k --> Wed Mar 29 22:00:00 UTC 2006
  l --> Wed Mar 29 23:00:00 UTC 2006
  m --> Thu Mar 30 00:00:00 UTC 2006
  n --> Wed Mar 29 11:00:00 UTC 2006
  o --> Wed Mar 29 10:00:00 UTC 2006
  p --> Wed Mar 29 09:00:00 UTC 2006
  q --> Wed Mar 29 08:00:00 UTC 2006
  r --> Wed Mar 29 07:00:00 UTC 2006
  s --> Wed Mar 29 06:00:00 UTC 2006
  t --> Wed Mar 29 05:00:00 UTC 2006
  u --> Wed Mar 29 04:00:00 UTC 2006
  v --> Wed Mar 29 03:00:00 UTC 2006
  w --> Wed Mar 29 02:00:00 UTC 2006
  x --> Wed Mar 29 01:00:00 UTC 2006
  y --> Wed Mar 29 00:00:00 UTC 2006

My use of "a year ago" is not really valid syntax, then.  I was fooled by a
lookalike! :-)

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