Open Hours
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Collection Management and Circulation Services Division |
(886)6-2757575 Ext. 65760 or 65763 | 
Main Library
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| Service | Semester Service Hours | Summer/Winter Break Service Hours |
| Borrowing and Returning / Ask us (i-Desk) | Mon～Fri 08：00 – 21：40 Sat～Sun 09：00 – 21：40 |
Mon～Sat 09：00 – 17：40 Sun Closed |
| Library Card Application (i-Desk) | Mon～Fri 09：30 – 17：00 (12:00-13:00 rest) | Mon～Fri 09：30 – 17：00 (12:00-13:00 rest) |
| Ask Us (Reference Desk) | Mon～Fri 08:20 - 21:40 Sat～Sun 09:20 - 21:40 |
Mon～Fri 09:00 - 17:40 Sat 09:20 - 17:40 Sun Closed |
| Study Carrel / Group Study Room / E-Hub Area | Mon～Fri 08：30 – 21：30 Sat～Sun 09：30 – 21：30 |
Mon～Fri 09：00 – 17：30 Sat 09：30 – 17：30 Sun Closed |
| Periodical Service (B2F & 2nd & 3rd floor) |
（2nd floor） （3nd floor） （B2 floor） |
（2nd floor） （3nd floor） （B2 floor） |
| Media Materials | Mon～Sun 09：30 – 21：30 | Mon～Sat 10：00 – 17：30 Sun Closed |
| Book Drops（West outside of the Library） | Anytime | Anytime |
| Photocopy Rooms | Mon～Fri 08：20 – 21：50 Sat～Sun 09：20 – 21：50 |
Mon～Fri 09：00 – 17：50 Sat 09：20 – 17：50 Sun Closed |
Medical Library
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| Service | Semester Service Hours | Summer/Winter Break Service Hours |
| Borrowing and Returning | Mon～Fri 08：20 – 21：10 Sat 09：00 – 16：40 Sun 13：00 – 16：40 |
Mon～Fri 09：00 – 17：40 Sat 13：00 – 16：40 Sun Close |
| Ask Us (Reference Desk) | Mon～Fri 08：20 – 17：00 | Mon～Fri 09：00 – 12：00 Webex：Mon～Fri 13：00 – 17：00 |
| Study Carrel / Group Study Room / E-Hub Area | Mon～Fri 08：30 – 21：00 Sat 09：00 – 16：30 Sun 13：00 – 16：30 |
Mon～Fri 09：00 – 17：30 Sat 13：00 – 16：30 Sun Close |
KnowLEDGE
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2026 24-hours open space services hours
| Date/Holidays | KnowLEDGE | Future Venue | D-24 |
| January 1st, 2025 Founding Day of the Republic of China (Final Exam Period) |
Open | Open | Close (December 31th, 2025 23:59 – January 2th, 2026 8:00) |
| February 14th – February 22th Chinese New Year |
Close (February 14th 08:00 – February 23th 08:00) |
Close (February 13th 23:59 – February 23th 07:00) |
Close (February 13th 17:00 – February 23th 08:00) |
| February 27th – February 28th Peace Memorial Day |
Close (February 26th 22:00 – March 1th 08:00) |
Open | Close (February 26th 23:59 – March 2th 08:00) |
| April 3th – April 6th Children's Day & Tomb Sweeping Day (Before Midterm Exam) |
Open | Open | Close (April 2th 17:00 – April 7th 08:00) |
| April 12th All Campus Power Outage |
Close (April 11th 22:00 – April 13th 08:00) |
Close (April 11th 23:59 – April 13th 07:00) |
Close (April 11th 23:59 – April 13th 08:00) |
| May 1th International Workers' Day |
Close(Disinfect) (May 1th 8:00 – May 2th 08:00) |
Open | Open |
| May 10th SHENG-LI Campus、CHENG-KUNG Campus、KUANG-FU Campus Power Outage |
Open | Close (May 9th 23:59 – May 11th 07:00) |
Close (May 9th 23:59 – May 11th 08:00) |
| June 14th CHING-YEH Campus Power Outage |
Close (June 13th 22:00 – June 15th 08:00) |
Open | Close (June 13th 23:59 – June 15th 08:00) |
| June 19th Dragon Boat Festival(Before Final Exam) |
Open | Open | Close (June 18th 17:00 – June 22th 08:00) |
| September 25th Mid-Autumn Festival |
Close (September 24th 22:00 – September 26th 08:00) |
Open | Close (September 24th 17:00 – September 29th 08:00) |
| September 28th Teachers' Day |
Close (September 27th 22:00 – September 29th 08:00) |
Open | Close (September 24th 17:00 – September 29th 08:00) |
| October 9th – October 10th National Day |
Open | Close(Disinfect) (October 8th 23:59 – October 12th 07:00) |
Close (October 8th 17:00 – October 12th 08:00) |
| October 25th – October 26th Taiwan's Retrocession Day |
Open | Open | Close (October 23th 17:00 – October 27th 08:00) |
| November 28th Taiwan Mayor And Magistrate Election |
Close (November 27th 22:00 – November 29th 08:00) |
Close (November 27th 23:59 – November 29th 07:00) |
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| December 25th Constitution Day |
Open | Open | Close (December 24th 17:00 – December 26th 08:00) |
| January 1st, 2027 Founding Day of the Republic of China (Final Exam Period) |
Open | Open | Close (December 31th, 2026 17:00 – January 2st, 2027 08:00) |
2026 KnowLEDGE Disinfection and Cleaning Day
| Date | No |
| January 26th | |
| February 14 | Annual cleaning |
| March 30 | |
| May 25 | |
| June 29 | |
| July 27 | |
| August 31 | |
| September 21 | |
| October 19 | |
| November 30 | |
| December 14 |
Departmental and College Libraries
| Department | Semester Service Hours | Break Service Hours | Service Audience | Contact Phone / Address | |
| College of Planning and Design | Mon~Fri 09：00 – 21：00 |
Mon~Fri 09：00 – 17：00 |
All University Patrons | 54057/Kuang-Fu Campus | em54050@email.ncku.edu.tw |
| Department of Mathematics | Mon~Fri 08：10 – 17：00 |
Mon~Fri 08：10 – 12：00 13：00 – 17：00 |
All University Patrons | 65105/Cheng-Kung Campus | z7807003@email.ncku.edu.tw |
| Department of Hydraulic and Ocean Engineering | Mon~Fri 09：00 – 12：00 14：00 – 18：00 |
Mon~Fri 09：00 – 12：00 14：00 – 17：00 |
Current NCKU Faculty, Staff, and Students ONLY | 63210/Cheng-Kung Campus | em63200@email.ncku.edu.tw |
| Department of Systems and Naval Mechatronic Engineering | Mon~Fri 09：00 – 12：00 14：00 – 17：00 |
Mon~Fri 08：30 – 12：00 |
All University Patrons | 63505/Zih-Ciang Campus | em63501@email.ncku.edu.tw |
| Tainan Hydraulics Laboratory | Mon~Fri 08：30 – 17：30 |
Mon~Fri 08：30 – 17：30 |
All University Patrons | 2371938#143/An-Nan Campus | Sylvia@thl.ncku.edu.tw |