gistfile1.txt

# using dateutil (easy_install python-dateutil) allows you to
# filter dates to a particular timezone eg:
# {{ hour.object|astimezone:'US/Eastern'|date:'G'}}

from django import template
from django.conf import settings
from dateutil import zoneinfo

register = template.Library()

@register.filter(name='astimezone')
def astimezone(date, timezone):
    date = date.replace(tzinfo=zoneinfo.gettz(settings.TIME_ZONE))
    return date.astimezone(zoneinfo.gettz(timezone))