National Diet Library - Main Branch
The Tokyo Public Library system serves the residents of Tokyo, Japan with 400+ branch locations throughout the city. The main branch, National Diet Library, serves as the central hub for library services in the area.
Whether you're looking for a quiet study space, computer access, children's programs, or simply want to borrow books, Tokyo's library system offers comprehensive services to meet your needs.
Library Hours
| Day | Main Branch | Other Branches |
|---|---|---|
| Monday | 9:00 AM - 8:00 PM | 10:00 AM - 6:00 PM |
| Tuesday | 9:00 AM - 8:00 PM | 10:00 AM - 6:00 PM |
| Wednesday | 9:00 AM - 8:00 PM | 10:00 AM - 6:00 PM |
| Thursday | 9:00 AM - 8:00 PM | 10:00 AM - 6:00 PM |
| Friday | 9:00 AM - 6:00 PM | 10:00 AM - 5:00 PM |
| Saturday | 10:00 AM - 5:00 PM | 10:00 AM - 5:00 PM |
| Sunday | 1:00 PM - 5:00 PM | Closed |
⚠️ Hours may vary by location and season. Always call ahead or check the official website for current hours.
About Tokyo Libraries
The National Diet Library is the flagship location of the Tokyo library system. This main branch typically offers:
- Extended operating hours
- Largest book and media collection
- Meeting rooms and study spaces
- Computer labs with internet access
- Children's and teen sections
- Special collections and archives
- Accessibility services
Tokyo Library System Overview
Access & Membership
To get a library card in Tokyo, you typically need:
- Valid photo ID (driver's license, passport, or state ID)
- Proof of current address (utility bill, lease agreement, or bank statement)
- Visit any Tokyo library branch in person
Library cards are usually free for residents. Non-residents may be eligible for a card with a fee or through reciprocal borrowing agreements.
About Tokyo Libraries
Tokyo libraries typically close or have reduced hours on major holidays including:
- New Year's Day
- Martin Luther King Jr. Day
- Presidents' Day
- Memorial Day
- Independence Day (July 4th)
- Labor Day
- Thanksgiving Day
- Christmas Eve & Christmas Day
History & Key Facts
Founded in 1872, the Tokyo Metropolitan Library & 23 Special Ward Library Systems serves the community with 383 branches and welcomes approximately 38 million annually across all ward and metropolitan libraries. The system has grown into one of the most important library networks in the region.
Notable Fact
The National Diet Library in Chiyoda holds every book published in Japan since 1948 by legal deposit, with an underground annex storing 12 million volumes beneath Nagatacho.
Good to Know
Local Tip: Most Tokyo ward libraries issue cards to anyone who lives, works, or studies in that ward. Chiyoda Library is open to all regardless of residence and stays open until 10pm on weekdays.
Best time to visit: Tokyo Metropolitan Library in Minami-Azabu is quietest early on weekday mornings. Chiyoda Library near Tokyo Station has excellent evening availability after 7pm.
Getting there: Tokyo Metropolitan Library is near Hiroo station (Tokyo Metro Hibiya Line). National Diet Library is at Nagatacho station (Yurakucho, Hanzomon, and Namboku lines).
Multilingual story time sessions in English,
Multilingual story time sessions in English, Chinese, Korean, and Portuguese run at libraries in Shinjuku, Toshima, and Minato wards, serving Tokyo's large international community.
Did you know? Tokyo's library network is the densest of any global city - the 383 branches across 23 special wards mean no Tokyo resident lives more than a 10-minute walk from a public library.
Frequently Asked Questions
What are the Tokyo library hours today?
Most Tokyo library branches are open Monday-Saturday 9 AM to 8 PM, and Sunday 1 PM to 5 PM. The National Diet Library may have extended hours. Check specific branch pages for exact times.
How many libraries are in Tokyo?
Tokyo has 400+ public library branches serving the Tokyo, Japan area, including the main National Diet Library.
Is the Tokyo library open on weekends?
Yes, most Tokyo library branches are open on Saturdays. Select locations also offer Sunday hours. Holiday schedules may vary.
Can I use the Tokyo library without a card?
Yes, you can visit and use in-library resources like computers and reading materials without a card. However, you'll need a library card to borrow items.
