Tokyo Main Library

• Opening Hours & Library Holidays
• On-site User Guide of the Tokyo Main Library
• Information for Visitors
• Services for Persons with Disabilities (Tokyo Main Library Visitor Information)
• Digitization of library materials

• February 7, 2025
  We are experiencing a high volume of new user registrations and requests to change user information
• June 22, 2023
  Elimination of entry restrictions of the Tokyo Main Library
• August 1, 2022
  Tours of the Tokyo Main Library are once again available on a limited basis
• September 3, 2021
  Last day of service in 2021 at the Tokyo Main Library to be Saturday, December 25
• September 1, 2021
  Revised Copying Fees
• April 26, 2021
  Relocation of periodicals
• March 10, 2021
  Termination of the National Union Catalog of Newspapers in Japan Database
• September 4, 2020
  Temporary suspension of library services during the transfer of library materials from the Tokyo Main Library to the Kansai-kan
• May 27, 2020
  Reopening of National Diet Library Facilities
• May 18, 2020
  Temporary Closure Extended to Wednesday, June 10, 2020

Read more

Sundays, National holidays, the yearend and New Year's holidays and the third Wednesday of the month (for refiling).

• April 2025

  Library Holiday

  6th, 13th, 16th, 20th, 27th, 29th

  Sun	Mon	Tue	Wed	Thu	Fri	Sat
  		1	2	3	4	5
  6	7	8	9	10	11	12
  13	14	15	16	17	18	19
  20	21	22	23	24	25	26
  27	28	29	30

• May 2025

  Library Holiday

  3rd, 4th, 5th, 6th, 11th, 18th, 21st, 25th

  Sun	Mon	Tue	Wed	Thu	Fri	Sat
  				1	2	3
  4	5	6	7	8	9	10
  11	12	13	14	15	16	17
  18	19	20	21	22	23	24
  25	26	27	28	29	30	31

For the yearly schedule of Library closure, please see the Library Calendar.

* Some special materials rooms have different service hours. For more information, please see the guide, "Special Materials Rooms and Reading Rooms".

1-10-1 Nagata-cho, Chiyoda-ku, Tokyo 100-8924 JAPAN
Tel : +81-3-3581-2331