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Hours of Operation

Hours for researchers may vary. View Reading Room and Research Center Hours

All buildings are closed to the public on Sundays, Thanksgiving Day, Christmas Day and New Year's Day. The Madison and Adams buildings are closed all other federal holidays.

Thomas Jefferson Building - The Library of Congress Experience

Monday - Saturday
8:30 a.m. - 4:30 p.m.

James Madison Memorial Madison Building

Monday - Friday
8:30 a.m. - 9:30 p.m.

Saturday
8:30 a.m. - 5 p.m.

John Adams Building

Monday, Wednesday, Thursday
8:30 a.m. - 9:30 p.m.

Tuesday, Friday, Saturday
8:30 a.m. - 5 p.m.

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Last Updated: 10/06/2009