'Request the time from another entity.
Arguments:
to       -- JID of the entity to query.
ifrom    -- Specifiy the sender\'s JID.
block    -- If true, block and wait for the stanzas\' reply.
timeout  -- The time in seconds to block while waiting for
a reply. If None, then wait indefinitely.
callback -- Optional callback to execute when a reply is
received instead of blocking and waiting for
the reply.'

def get_entity_time(self, to, ifrom=None, **iqargs):

    iq = self.xmpp.Iq()
    iq['type'] = 'get'
    iq['to'] = to
    iq['from'] = ifrom
    iq.enable('entity_time')
    return iq.send(**iqargs)
