Typhoon and Rainstorm Arrangements
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Special opening arrangements are made for the Library and its branches when either Typhoon Signal No. 8 and above or the Black Rainstorm Signal are in force. Details are given in the table below:
In Force at Scheduled Opening Time
Either signal typeRemain closed
Issued During Opening Hours
Typhoon signalClosed as soon as possible
Rainstorm signalRemain open
Either signal type more than 5 hours before the scheduled closing timeOpen as soon as practicable after the cancellation of the signal (the Library may open with limited services depending on staff availability). Announcements on the exact re-opening time will be made on the Library homepage.
Either signal type within 5 hours of the scheduled closing timeRemain closed for the rest of the day

Arrangements for the Academic Commons

During the semester, the Academic Commons (Levels 2 and 3 of the Main Library) will open for 24 hours. If the Library is closed due to inclement weather when the 24 hour opening arrangement is in effect, the Academic Commons will remain open. No counter services will be provided, however security guards will be on duty. In cases of exceptionally adverse conditions it may be necessary to temporarily close the Academic Commons. Users should follow the directions of the security guards on site.

Notwithstanding the continued opening of the Academic Commons, you should take appropriate precautions and not venture outside if it is unsafe to do so. Further information on precautions to take during the passage of typhoons and occurrence of rainstorms can be found on the website of the Hong Kong Observatory.