| 1 Jan, 2023 (Sun) | New Year | Public Holiday |
| 2 Jan, 2023 (Mon) | Day off for New Year | Public Holiday |
| 10 Jan, 2023 (Tue) | Incwala Day | Public Holiday |
| 21 Mar, 2023 (Tue) | March Equinox | Season |
| 7 Apr, 2023 (Fri) | Good Friday | Public Holiday |
| 10 Apr, 2023 (Mon) | Easter Monday | Public Holiday |
| 19 Apr, 2023 (Wed) | Birthday of King Mswati III | Public Holiday |
| 25 Apr, 2023 (Tue) | National Flag Day | Public Holiday |
| 1 May, 2023 (Mon) | May Day | Public Holiday |
| 18 May, 2023 (Thu) | Ascension Day | Public Holiday |
| 21 Jun, 2023 (Wed) | June Solstice | Season |
| 22 Jul, 2023 (Sat) | Birthday of the late King Sobhuza | Public Holiday |
| 24 Jul, 2023 (Mon) | Day off for Birthday of the late King Sobhuza | Public Holiday |
| 4 Sep, 2023 (Mon) | Umhlanga Reed Dance (Tentative Date) | Public Holiday |
| 6 Sep, 2023 (Wed) | Somhlolo Day (Independence Day) | Public Holiday |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
| 25 Dec, 2023 (Mon) | Christmas Day | Public Holiday |
| 26 Dec, 2023 (Tue) | Boxing Day | Public Holiday |
| 28 Dec, 2023 (Thu) | Incwala Day | Public Holiday |
