- March 9, 2011
- templatetag datetime timezone pytz
- 2 (after 2 ratings)
should probably be migrated to an inclusion tag to allow a source timezone that isn't the site specific TIME_ZONE.
This code assumes that your database stores dates according to the django.conf.settings.TIME_ZONE variable.
Yes.. this assumes that dates are stored in the database according to system time. On my systems the system time of a server is always UTC therefore avoiding problems with datetime (no tz info) columns in backend databases having no timezone information and stored according to the database or system timezone information. I find it a good practice to always use UTC for any stored information and always retrieve information as UTC and localize the date during display.
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from django import template from django.conf import settings import pytz register = template.Library() @register.filter def astimezone(date, destination=None): if not destination: destination = settings.TIME_ZONE if date.tzinfo: return date.astimezone(pytz.timezone(destination)) else: return pytz.timezone(settings.TIME_ZONE).localize(date).astimezone(pytz.timezone(destination))