Year 2021 Holiday
| Date | Holidays |
| January 1, 2021 | The first day of January |
| February 11, 2021 | Lunar New Year's Eve (PM - University Holiday) |
| February 12-15, 2021 | Lunar New Year |
| March 16, 2021 | HKU Foundation Day |
| April 2, 2021 | Good Friday |
| April 3, 2021 | The day following Good Friday |
| April 4, 2021 | Easter Sunday & Ching Ming Festival - Not public holiday |
| April 5, 2021 | The day following Ching Ming Festival |
| April 6, 2021 | The day following Easter Monday |
| May 1, 2021 | Labour Day |
| May 19, 2021 | Buddha's Birthday |
| June 14, 2021 | Tuen Ng Festival |
| July 1, 2021 | HK SAR Establishment Day |
| September 21, 2021 | Mid-Autumn Festival - Not public holiday |
| September 22, 2021 | The day following the Mid-Autumn Festival |
| October 1, 2021 | National Day |
| October 14, 2021 | Chung Yeung Festival |
| December 21, 2021 | Winter Solstice - Not public holiday |
| December 24, 2021 | Christmas Eve (University Holiday) |
| December 25-27, 2021 | Christmas |
| December 31 , 2021 | New Year's Eve (PM - University Holiday) |
| January 1, 2022 | The first day of January |
January 1, 2021 - The first day of January
| Main Library | Closed |
| Media Services | Closed |
| Fung Ping Shan Library except Chinese Rare Book Room | Closed |
| Special Collections | Closed |
| Law Library | Closed |
| Medical Library | Closed |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
February 11, 2021 - Lunar New Year's Eve (PM - University Holiday)
| Main Library | 8:30am - 1pm |
| Media Services | 8:30am - 1pm |
| Fung Ping Shan Library except Chinese Rare Book Room | 8:30am - 1pm |
| Special Collections | 9am - 1pm |
| Law Library | 9am - 1pm |
| Medical Library | 9am - 1pm |
| Education Library | 9am - 1pm |
| Dental Library | 9am - 1pm |
| Music Library | 9am - 1pm |
February 12-15, 2021 - Lunar New Year
| Main Library | Closed |
| Media Services | Closed |
| Fung Ping Shan Library except Chinese Rare Book Room | Closed |
| Special Collections | Closed |
| Law Library | Closed |
| Medical Library | Closed |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
March 16, 2021 - HKU Foundation Day
| Main Library | Closed |
| Media Services | Closed |
| Fung Ping Shan Library except Chinese Rare Book Room | Closed |
| Special Collections | Closed |
| Law Library | Closed |
| Medical Library | Closed |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
April 2, 2021 - Good Friday
| Main Library | 10am - 7pm |
| Media Services | 10am - 7pm |
| Fung Ping Shan Library except Chinese Rare Book Room | 10am - 7pm |
| Special Collections | 10am - 7pm |
| Law Library | 10am - 5pm |
| Medical Library | 10am - 5pm |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
April 3, 2021 - The day following Good Friday
| Main Library | 10am - 7pm |
| Media Services | 10am - 7pm |
| Fung Ping Shan Library except Chinese Rare Book Room | 10am - 7pm |
| Special Collections | 10am - 7pm |
| Law Library | 10am - 5pm |
| Medical Library | 10am - 5pm |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
April 4, 2021 - Easter Sunday & Ching Ming Festival - Not public holiday
| Main Library | 10am - 7pm |
| Media Services | 10am - 7pm |
| Fung Ping Shan Library except Chinese Rare Book Room | 10am - 7pm |
| Special Collections | 10am - 7pm |
| Law Library | 10am - 5pm |
| Medical Library | 10am - 5pm |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
April 5, 2021 - The day following Ching Ming Festival
| Main Library | 10am - 7pm |
| Media Services | 10am - 7pm |
| Fung Ping Shan Library except Chinese Rare Book Room | 10am - 7pm |
| Special Collections | 10am - 7pm |
| Law Library | 10am - 5pm |
| Medical Library | 10am - 5pm |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
April 6, 2021 - The day following Easter Monday
| Main Library | 10am - 7pm |
| Media Services | 10am - 7pm |
| Fung Ping Shan Library except Chinese Rare Book Room | 10am - 7pm |
| Special Collections | 10am - 7pm |
| Law Library | 10am - 5pm |
| Medical Library | 10am - 5pm |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
May 1, 2021 - Labour Day
| Main Library | 10am - 7pm |
| Media Services | 10am - 7pm |
| Fung Ping Shan Library except Chinese Rare Book Room | 10am - 7pm |
| Special Collections | 10am - 7pm |
| Law Library | 10am - 5pm |
| Medical Library | 10am - 5pm |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
May 19, 2021 - Buddha's Birthday
| Main Library | 10am - 7pm |
| Media Services | 10am - 7pm |
| Fung Ping Shan Library except Chinese Rare Book Room | 10am - 7pm |
| Special Collections | 10am - 7pm |
| Law Library | 10am - 5pm |
| Medical Library | 10am - 5pm |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
June 14, 2021 - Tuen Ng Festival
| Main Library | Closed |
| Media Services | Closed |
| Fung Ping Shan Library except Chinese Rare Book Room | Closed |
| Special Collections | Closed |
| Law Library | Closed |
| Medical Library | Closed |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
July 1, 2021 - HK SAR Establishment Day
| Main Library | Closed |
| Media Services | Closed |
| Fung Ping Shan Library except Chinese Rare Book Room | Closed |
| Special Collections | Closed |
| Law Library | Closed |
| Medical Library | Closed |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
September 21, 2021 - Mid-Autumn Festival - Not public holiday
| Main Library | 8:30am - 5pm |
| Media Services | 8:30am - 5pm |
| Fung Ping Shan Library except Chinese Rare Book Room | 8:30am - 5pm |
| Special Collections | 9am - 5pm |
| Law Library | 9am - 5pm |
| Medical Library | 9am - 5pm |
| Education Library | 9am - 5pm |
| Dental Library | 8:30am - 5pm |
| Music Library | 9am - 5pm |
September 22, 2021 - The day following the Mid-Autumn Festival
| Main Library | Closed |
| Media Services | Closed |
| Fung Ping Shan Library except Chinese Rare Book Room | Closed |
| Special Collections | Closed |
| Law Library | Closed |
| Medical Library | Closed |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
October 1, 2021 - National Day
| Main Library | Closed |
| Media Services | Closed |
| Fung Ping Shan Library except Chinese Rare Book Room | Closed |
| Special Collections | Closed |
| Law Library | Closed |
| Medical Library | Closed |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
October 14, 2021 - Chung Yeung Festival
| Main Library | Closed |
| Media Services | Closed |
| Fung Ping Shan Library except Chinese Rare Book Room | Closed |
| Special Collections | Closed |
| Law Library | Closed |
| Medical Library | Closed |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
December 21, 2021 - Winter Solstice - Not public holiday
| Main Library | 8:30am - 5pm |
| Media Services | 8:30am - 5pm |
| Fung Ping Shan Library except Chinese Rare Book Room | 8:30am - 5pm |
| Special Collections | 9am - 5pm |
| Law Library | 9am - 5pm |
| Medical Library | 9am - 5pm |
| Education Library | 9am - 5pm |
| Dental Library | 8:30am - 5pm |
| Music Library | 9am - 5pm |
December 24, 2021 - Christmas Eve (University Holiday)
| Main Library | Closed |
| Media Services | Closed |
| Fung Ping Shan Library except Chinese Rare Book Room | Closed |
| Special Collections | Closed |
| Law Library | Closed |
| Medical Library | Closed |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
December 25-27, 2021 - Christmas
| Main Library | Closed |
| Media Services | Closed |
| Fung Ping Shan Library except Chinese Rare Book Room | Closed |
| Special Collections | Closed |
| Law Library | Closed |
| Medical Library | Closed |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |
December 31 , 2021 - New Year's Eve (PM - University Holiday)
| Main Library | 8:30am - 1pm |
| Media Services | 8:30am - 1pm |
| Fung Ping Shan Library except Chinese Rare Book Room | 8:30am - 1pm |
| Special Collections | 9am - 1pm |
| Law Library | 9am - 1pm |
| Medical Library | 9am - 1pm |
| Education Library | 9am - 1pm |
| Dental Library | 9am - 1pm |
| Music Library | 9am - 1pm |
January 1, 2022 - The first day of January
| Main Library | Closed |
| Media Services | Closed |
| Fung Ping Shan Library except Chinese Rare Book Room | Closed |
| Special Collections | Closed |
| Law Library | Closed |
| Medical Library | Closed |
| Education Library | Closed |
| Dental Library | Closed |
| Music Library | Closed |