As far as I can tell, there's no standard which uses the Olson database to specify the timezone, so we'd have to create one.
What about ISO8601 with the Olson timezone suffixed? 2012-09-02T18:17:36+0100 (Europe/London) 2012-09-02T18:19:05+0100 (Africa/Niamey) -- Ryan McCue <http://ryanmccue.info/> -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php