Hours for researchers may vary. View Reading Room and Research Center Hours.
All buildings are closed to the public on Sundays, Thanksgiving Day, Christmas and New Year's Holidays. The Madison and Adams buildings are closed on all federal holidays.
In the event of inclement weather or other issues, the Library of Congress follows the Federal Government operating status.
Thomas Jefferson Building
CLOSED Thanksgiving Day, Christmas and New Years Holidays.
First Street, SE, Entrances for All
Daytime Hours
Monday - Saturday
8:30 a.m. – 5:00 p.m.*
*Researchers and Staff only after 4:30 p.m. Exit available until 5:30 p.m.
Second Street, SE, Entrance for Researchers
Evening Hours
Monday, Wednesday, Thursday
5:00 p.m. – 9:30 p.m. (Entry reserved for researchers and staff.)
CLOSED 8:30 a.m. – 5:00 p.m. Monday through Saturday, and all holidays.
Second Street, NE, Exit
Monday, Wednesday, Thursday
5:30 p.m. – 9:30 p.m.
CLOSED 8:30 a.m .– 5:30 p.m. Monday through Saturday, and all holidays.
James Madison Memorial Building
Independence Avenue, SE Entrance
Monday–Friday
8:30 a.m. – 9:30 p.m.
Entry after 6 p.m. is reserved for researchers entering reading rooms that are open in the evenings (for Reading Room hours), for staff, and those attending special programs.
Saturday
8:30 a.m. – 5:00 p.m.
C Street, SE
Monday–Friday
8:30 a.m. – 2:00 p.m. for entrance
8:30 a.m. – 9:30 p.m. for exit
Closed on Saturday
Second Street, SE
Monday, Wednesday, Thursday
8:30 a.m. – 9:30 p.m.
Entry after 6 p.m. is reserved for researchers entering reading rooms that are open in the evenings (for Reading Room hours), for staff, and those attending special programs.
Tuesday, Friday, Saturday
8:30 a.m. – 5:00 p.m.
E-mail Alerts
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