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-rw-r--r--lib/PublicInbox/MsgTime.pm4
-rw-r--r--t/msgtime.t5
2 files changed, 9 insertions, 0 deletions
diff --git a/lib/PublicInbox/MsgTime.pm b/lib/PublicInbox/MsgTime.pm
index 58e11d72..7dec48ce 100644
--- a/lib/PublicInbox/MsgTime.pm
+++ b/lib/PublicInbox/MsgTime.pm
@@ -23,6 +23,10 @@ sub str2date_zone ($) {
         my $sign = ($off < 0) ? '-' : '+';
         my $hour = abs(int($off / 3600));
         my $min  = ($off / 60) % 60;
+
+        # deal with weird offsets like '-0420' properly
+        $min = 60 - $min if ($min && $off < 0);
+
         my $zone = sprintf('%s%02d%02d', $sign, $hour, $min);
 
         # "-1200" is the furthest westermost zone offset,
diff --git a/t/msgtime.t b/t/msgtime.t
index f969fa25..cecbb921 100644
--- a/t/msgtime.t
+++ b/t/msgtime.t
@@ -92,4 +92,9 @@ is_datestamp('Tue, 3 Jun 2003 8:58:23 --500', [1054648703, '-0500']);
 is_datestamp('Thu, 18 May 100 10:40:43 +0200 (MET DST)', [958639243, '+0200']);
 is_datestamp('Thu, 18 May 2000 10:40:43 +0200', [958639243, '+0200']);
 is_datestamp('Tue, 27 Feb 2007 16:23:25 -0060', [1172597005, '-0100']);
+is_datestamp('Wed, 20 Dec 2006 05:32:58 -0420', [1166608378, '-0420']);
+is_datestamp('Wed, 20 Dec 2006 05:32:58 +0420', [1166577178, '+0420']);
+is_datestamp('Thu, 14 Dec 2006 00:20:24 +0480', [1166036424, '+0520']);
+is_datestamp('Thu, 14 Dec 2006 00:20:24 -0480', [1166074824, '-0520']);
+is_datestamp('Mon, 14 Apr 2014 07:59:01 -0007', [1397462761, '-0007']);
 done_testing();