| 1 Jan, 2023 (Sun) | New Year's Day | National holiday |
| 2 Jan, 2023 (Mon) | New Year's Day observed | National holiday |
| 22 Jan, 2023 (Sun) | Lunar New Year's Day | National holiday |
| 23 Jan, 2023 (Mon) | Second Day of Lunar New Year | National holiday |
| 24 Jan, 2023 (Tue) | Third Day of Lunar New Year | National holiday |
| 25 Jan, 2023 (Wed) | Fourth Day of Lunar New Year | National holiday |
| 14 Feb, 2023 (Tue) | Valentine's Day | Observance |
| 21 Mar, 2023 (Tue) | March Equinox | Season |
| 5 Apr, 2023 (Wed) | Tomb Sweeping Day | National holiday |
| 7 Apr, 2023 (Fri) | Good Friday | National holiday |
| 8 Apr, 2023 (Sat) | Holy Saturday | National holiday |
| 9 Apr, 2023 (Sun) | Easter Sunday | Observance |
| 10 Apr, 2023 (Mon) | Easter Monday | National holiday |
| 1 May, 2023 (Mon) | Labour Day | National holiday |
| 14 May, 2023 (Sun) | Mother's Day | Observance |
| 26 May, 2023 (Fri) | Buddha's Birthday | National holiday |
| 18 Jun, 2023 (Sun) | Father's Day | Observance |
| 22 Jun, 2023 (Thu) | June Solstice | Season |
| 22 Jun, 2023 (Thu) | Dragon Boat Festival | National holiday |
| 1 Jul, 2023 (Sat) | Hong Kong Special Administrative Region Establishment Day | National holiday |
| 30 Aug, 2023 (Wed) | Hungry Ghost Festival | Observance |
| 17 Sep, 2023 (Sun) | Confucius' Birthday | Observance |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 29 Sep, 2023 (Fri) | Mid-Autumn Festival | Observance |
| 30 Sep, 2023 (Sat) | Day after Mid-Autumn Festival | National holiday |
| 1 Oct, 2023 (Sun) | National Day of the People's Republic of China | National holiday |
| 2 Oct, 2023 (Mon) | National Day of the People's Republic of China observed | National holiday |
| 23 Oct, 2023 (Mon) | Chung Yeung Festival | National holiday |
| 31 Oct, 2023 (Tue) | Halloween | Observance |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
| 25 Dec, 2023 (Mon) | Christmas Day | National holiday |
| 26 Dec, 2023 (Tue) | First Weekday After Christmas Day | National holiday |
| 31 Dec, 2023 (Sun) | New Year’s Eve | Observance |
