I'm forwarding this message from a person who is not on the time zone mailing list. Those of you who are on the list, please direct replies appropriately. --ado -----Original Message----- From: sagrav@racsa.co.cr [mailto:sagrav@racsa.co.cr] Sent: Monday, January 18, 2010 8:34 To: tz@lecserver.nci.nih.gov Subject: tz isdst I am asking for a way to give zdump a timezone, date and hour, so zdump (or other command) can give me the "isdst". Another way could be to give time zone (or Country and city), date and hour and get the UTC and "isdst". Shoul it be possible? Thanks in advance.