@billchenchina @bagder

They're included in +0500 for counting purposes.

From the linked pull request:

"""
if(/^Date: +([+-])(\d\d\d\d)/) {
my ($plus, $tz) = ($1, $2);
if($tz % 100) {
# move the partial hour into the full hour slot
$tz -= $tz % 100;
$tz = sprintf "%04u", $tz;
"""