Below is the output of the tellmail timezone command.
date and time look correct. current offset is -0400



Timezone is 14400 4, ISDST=1
 Mail Time Thu, 13 Sep 2012 09:09:10 -400
 TZ_INTM IS true
 dt_format 13-Sep-2012 09:09:10 -0400
 gmtime Thu Sep 13 13:09:10 2012
 localtime Thu Sep 13 09:09:10 2012