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Opening Hours & Library Holidays

Days Closed

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

The Library will be temporarily closed on December 19th.

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.
  • July 2018
    Library Holiday
    1st, 8th, 15th, 16th, 18th, 22nd, 29th
    SunMonTueWedThuFriSat
    1234567
    891011121314
    15161718192021
    22232425262728
    293031
  • August 2018
    Library Holiday
    5th, 11th, 12th, 15th, 19th, 26th
    SunMonTueWedThuFriSat
    1234
    567891011
    12131415161718
    19202122232425
    262728293031

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 9:00-18:30 (16:30 on Saturday)
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)
11:00-18:00 (15:00 on Saturday)
* Orders will be taken until 15 minutes before closing time.
* You can also eat your box lunch here.
Shop
(Main Bldg. 6th Floor)
9:30-19:00 (17:00 on Saturday)
Coffee shop
(Main Bldg. 3rd Floor)
9:30-17:30 (16:30 on Saturday)
* Orders will be taken until 15 minutes before closing time.
* Closed on 2nd, 4th Saturday and 4th Monday.
Coffee shop
(Annex Bldg. 1st Floor)
9:30-18:30 (16:30 on Saturday)
* 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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