US Daylight Saving Time 2007

In North America, Daylight Saving Time is coming a few weeks early. You may need to update your computer to deal with it.

If your Linux is up to date then it's probably ready. Best way of testing that I have found is:

zdump -v /etc/localtime | grep 2007

and the output should look like this:

/etc/localtime Sun Mar 11 07:59:59 2007 UTC = Sun Mar 11 01:59:59 2007 CST isdst=0 gmtoff=-21600
/etc/localtime Sun Mar 11 08:00:00 2007 UTC = Sun Mar 11 03:00:00 2007 CDT isdst=1 gmtoff=-18000
/etc/localtime Sun Nov 4 06:59:59 2007 UTC = Sun Nov 4 01:59:59 2007 CDT isdst=1 gmtoff=-18000
/etc/localtime Sun Nov 4 07:00:00 2007 UTC = Sun Nov 4 01:00:00 2007 CST isdst=0 gmtoff=-21600

If not, then I suggest that you go read this thread.