Here we go again… rolling the clocks back an hour earlier at 02:00 Eastern Sunday morning under the pretence of saving energy. Read this to find out why it’s pointless.

If you’re a *NIX system administrator you probably updated your systems a couple of years ago, but in case you haven’t you probably should take a look at this. The zdump command should give you something like this:

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[gordon@seedling gordon]$ zdump -v /etc/localtime|grep 2015
/etc/localtime  Sun Mar  8 06:59:59 2015 UTC = Sun Mar  8 01:59:59 2015 EST isdst=0 gmtoff=-18000
/etc/localtime  Sun Mar  8 07:00:00 2015 UTC = Sun Mar  8 03:00:00 2015 EDT isdst=1 gmtoff=-14400
/etc/localtime  Sun Nov  1 05:59:59 2015 UTC = Sun Nov  1 01:59:59 2015 EDT isdst=1 gmtoff=-14400
/etc/localtime  Sun Nov  1 06:00:00 2015 UTC = Sun Nov  1 01:00:00 2015 EST isdst=0 gmtoff=-18000

[/pastacode]