keep banker's hours

keep banker's hours

Fig. to work or be open for business for less than eight hours a day. The advertising agency keeps banker's hours. They are only open until four. James doesn't really work full-time. He keeps banker's hours.
See also: hour, keep
References in periodicals archive ?
There's no guarantee you'll have the same people working for you over time," he points out, "and, besides, the people there keep banker's hours.