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National Diet Library - Tokyo Main

National Diet Library - Tokyo Main
Photo: 663highland, CC BY 2.5 (licence)

The National Diet Library (NDL) (国立国会図書館, Kokuritsu Kokkai Toshokan) is the national library of Japan and among the largest libraries in the world. It was established in 1948 for the purpose of assisting members of the National Diet of Japan (国会, Kokkai) in researching matters of public policy. The library is similar in purpose and scope to the United States Library of Congress.

From Wikipedia, CC BY-SA 4.0.

Hours
Open now · closes 7 pm
Weekly hours
Mon9:30 am–7 pm
Tue9:30 am–7 pm
Wed9:30 am–7 pm
Thu9:30 am–7 pm
Fri9:30 am–7 pm
Sat9:30 am–5 pm
SunClosed

Place data from OpenStreetMap, © OpenStreetMap contributors, ODbL.

Updated 29 Sept 2026. Something wrong? Tell us.