It opens from 9:00 to 18:00 (M-F).
Faculty members and Doctoral students / 24H (7 days a week including holidays)
Master's and undergraduate students / 9:00 - 18:00 (M-F)
However, the library use outside of open hours is available with the permission of the library staff or (applicable) faculty members.
The library may temporarily be closed after 17:00.
*Authority to unlock the security system is required in order to enter the 4th and 5th floor journal stock rooms and to enter the library after hours.
The unlocking authority is granted to:
Faculty members of the Department of Mathematics... ID Card
Students majoring in the Center for Mathematics, School of Fundamental Science and Technology ... Student ID Card
Those affiliated with the Faculty of Science and Technology other than above, those affiliated with other Faculties, and those unaffiliated with Keio University
/ 9:00-17:00 (M-F)
*The permission of the library staff or faculty members of the Department of Mathematics is required to enter 4th or 5th floor journal stock rooms.