In 2006 the evening and Saturday hours were cut back so that evening and Saturday hours occured just once a month. The new set of hours make it possible for visiting researchers to get in some long days of work on consecutive days. As before, ordering original manuscripts must be done only during Monday-Friday daytime hours with the last request time being 2:30 on Monday and Tuesday, and 3:30 on Wednesday, Thursday, and Friday. No original records can be ordered on Saturday. Microfilms and many finding aids are available during all open hours. The new hours will be:
- Monday and Tuesday 9:00 a.m - 5:00 p.m.
- Wednesday, Thursday, and Frday: 9:00 a.m - 9:00 p.m
- Saturday: 9:00 a.m - 5:00 p.m