date discrepancies

[Sebastian Luque]

Dear List,

I've discovered something I can't explain and correct. Whenever I type:

M-! date

to send the date command to the shell, I get a different time and time zone 
that I get from running the command on a standard bash shell. I have set my 
clock to Central Daylight Savings Time, and this is what I get from the 
standard bash shell, but when running the command from within Emacs, I get 
the corresponding Eastern Daylight Savings Time. Would somebody please 
explain what is going on and how can this be fixed? Thanks in advance.

Cheers,
Sebastian