(a) The Presidential library museums are open every day except Thanksgiving, December 25, and January 1 (with the exception of the Lyndon Baines Johnson Library which is only closed December 25). For more specific information about museum hours, please contact the libraries directly or visit the NARA Web site at http://www.archives.gov. Hours for the Presidential libraries' research rooms are also posted at http://www.archives.gov.
(b) See 36 CFR 1253.3 for the operating hours of the research rooms of the Presidential Libraries. [65 FR 34978, June 1, 2000, as amended at 75 FR 71547, Nov. 24, 2010]