timezone.py 文件源码

def get_default_timezone():
    """
    Returns the default time zone as a tzinfo instance.

    This is the time zone defined by settings.TIME_ZONE.
    """
    if isinstance(settings.TIME_ZONE, six.string_types) and pytz is not None:
        return pytz.timezone(settings.TIME_ZONE)
    else:
        # This relies on os.environ['TZ'] being set to settings.TIME_ZONE.
        return LocalTimezone()


# This function exists for consistency with get_current_timezone_name