All Hong Kong public libraries will close at 5pm on Friday, September 25, for the Mid-Autumn Festival, according to a government announcement published on September 21, 2026. The South Lamma Public Library, which is closed on Fridays, is excepted.

Apart from individual libraries' closing days, opening hours at all public libraries on September 26, the day following the festival, will match those used for public holidays.

Details are available in notices posted at public libraries and on the Hong Kong Public Libraries website's opening-hours page, or by calling 2921 0208.