Celery 3.1 now supports Django out of the box, please see the new tutorial

Utilities - djcelery.utils

djcelery.utils.fromtimestamp(value)

djcelery.utils.is_database_scheduler(scheduler)

djcelery.utils.make_aware(value)

djcelery.utils.make_naive(value)

djcelery.utils.maybe_make_aware(value)

djcelery.utils.now()