@view_config(renderer='templates/form.pt', name='timeinput')
    @demonstrate('Time Input')
    def timeinput(self):
        import datetime
        from colander import Range
        class Schema(colander.Schema):
            date = colander.SchemaNode(
                colander.Time(),
                validator=Range(
                    min=datetime.time(12, 16),
                    min_err=_('${val} is earlier than earliest time ${min}')
                    )
                )
        schema = Schema()
        form = deform.Form(schema, buttons=('submit',))
        when = datetime.time(14, 35)
        return self.render_form(form, appstruct={'date':when})