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Opening Hours & Library Holidays

To help prevent the spread of COVID-19, currently only registered users who have made reservations may enter the Tokyo Main Library. To make a reservation, please fill out the Request form.

Days Closed

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

Additionally, the Library could be closed without prior notice in case of natural disasters or other public emergencies. Announcements are posted on the National Diet Library website and our official Twitter account.

  • *To use the Rare Books and Old Materials Room on service Saturdays, it is necessary to make a reservation.
  • (Without reservation, you cannot enter the Tokyo Main Library.)
    August 2020
    Library Holiday
    2nd, 9th, 10th, 16th, 19th, 23rd, 30th
    SunMonTueWedThuFriSat
    1
    2345678
    9101112131415
    16171819202122
    23242526272829
    3031
  • (Without reservation, you cannot enter the Tokyo Main Library.)
    September 2020
    Library Holiday
    6th, 13th, 16th, 20th, 21st, 22nd, 27th
    SunMonTueWedThuFriSat
    12345
    6789101112
    13141516171819
    20212223242526
    27282930

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

Library Open Hours

Regular library hours are as follows.

Additionally, the National Diet Library is sometimes forced to change its library hours temporarily due to weather impacts on traffic conditions. Announcements are posted on the National Diet Library website and our official Twitter account.

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

Opening hours 9:30-19:00 (17:00 on Saturday)
User Registration 9:20-18:30 (16:30 on Saturday)
We are currently limiting the number of daily visitors and are not accepting new user registrations at the library.
Requests for closed stack materials 9:30-18:00 (16:00 on Saturday)
Photoduplication
Services
Same-day Photoduplication Requests (Printouts of electronic resources on the same day) 10:00-18:00 (16:00 on Saturday)
Later date photoduplication requests (sent by mail) 10:00-18:30 (16:30 on Saturday)
Cafeteria,
Coffee shops & Shop
Cafeteria
(Main Bldg. 6th Floor)
11:00-13:30
* Orders will be taken until 15 minutes before closing time.
* You can also eat your box lunch here (11:00-18:00, 17:00 on Saturday).
Shop
(Main Bldg. 6th Floor)
9:30-18:00 (17:00 on Saturday)
Coffee shop
(Main Bldg. 3rd Floor)
11:00-14:00
* Orders will be taken until 20 minutes before closing time.
* Closed on Saturday and 4th Monday.
Coffee shop
(Annex Bldg. 1st Floor)
11:00-14:00
* Orders will be taken until 15 minutes before closing time.
* Closed on 1st, 3rd and 5th Saturday.
* You can also eat your box lunch here.

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