On 2/16/2010 11:15 AM, exarkun at twistedmatrix.com wrote: > On 03:43 pm, dirkjan at ochtman.nl wrote: > pytz includes its own timezone database. It doesn't use the system > timezone data, even on Linux. dateutil can use the system timezone data. See tzfile. http://labix.org/python-dateutil#head-4e4386d98006f1e3cb9290a04bff7e01e584505b or on windows see tzwin. http://labix.org/python-dateutil#head-566bbb3e75e621ac00d2cb1b54abc09036b994f1