Subject: bug of `date`: why 1/1/2012 is the second week of 2012?
From: "Wang, YuanTao" <[email-masked]>
To: "[email-masked]" <[email-masked]>
Date: Thu, 2 Feb 2012 02:25:59 -0600
List-Id: <debbugs-submit.debbugs.gnu.org>

$ date -d "2012-01-01 00:00:00" +%U
01

but in "man date"
%U     week number of year, with Sunday as first day of week (00..53)

Is it a bug?

$ uname -r
2.6.18-128.1.6.el5xen