| 1 Jan, 2023 (Sun) | New Year's Day | National holiday |
| 20 Feb, 2023 (Mon) | Carnival / Shrove Monday | National holiday |
| 21 Feb, 2023 (Tue) | Carnival / Shrove Tuesday / Pancake Day | National holiday |
| 20 Mar, 2023 (Mon) | March Equinox | Season |
| 23 Mar, 2023 (Thu) | Ramadan Start | Observance |
| 24 Mar, 2023 (Fri) | Memorial Day | National holiday |
| 2 Apr, 2023 (Sun) | Day of the Veterans | National holiday |
| 5 Apr, 2023 (Wed) | Passover Eve | Observance |
| 6 Apr, 2023 (Thu) | Maundy Thursday | National holiday, Christian |
| 6 Apr, 2023 (Thu) | First day of Passover | Optional holiday |
| 7 Apr, 2023 (Fri) | Good Friday | National holiday, Christian |
| 7 Apr, 2023 (Fri) | Second Day of Passover | Optional holiday |
| 9 Apr, 2023 (Sun) | Easter Sunday | Observance, Christian |
| 11 Apr, 2023 (Tue) | Sixth Day of Passover | Observance |
| 12 Apr, 2023 (Wed) | Seventh Day of Passover | Hebrew, Optional holiday |
| 13 Apr, 2023 (Thu) | Last day of Passover | Hebrew, Optional holiday |
| 21 Apr, 2023 (Fri) | End of Ramadan | Muslim, Optional holiday |
| 24 Apr, 2023 (Mon) | Action Day for Tolerance and Respect between People | Observance |
| 1 May, 2023 (Mon) | Labor Day / May Day | National holiday |
| 25 May, 2023 (Thu) | National Day/May 1810 Revolution | National holiday |
| 26 May, 2023 (Fri) | Bridge Public Holiday | National holiday |
| 17 Jun, 2023 (Sat) | Commemoration of General Don Martín Miguel de Güemes | National holiday |
| 19 Jun, 2023 (Mon) | Bridge Public Holiday | National holiday |
| 20 Jun, 2023 (Tue) | Flag Day | National holiday |
| 21 Jun, 2023 (Wed) | June Solstice | Season |
| 28 Jun, 2023 (Wed) | Eid al-Adha | Muslim, Optional holiday |
| 9 Jul, 2023 (Sun) | Independence day | National holiday |
| 19 Jul, 2023 (Wed) | Muharram/New Year | Muslim, Optional holiday |
| 21 Aug, 2023 (Mon) | San Martín Day | National holiday |
| 15 Sep, 2023 (Fri) | Rosh Hashana Eve | Hebrew |
| 16 Sep, 2023 (Sat) | Rosh Hashana | Hebrew, Optional holiday |
| 17 Sep, 2023 (Sun) | Second day of Rosh Hashana | Hebrew, Optional holiday |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 24 Sep, 2023 (Sun) | Yom Kippur Eve | Hebrew |
| 25 Sep, 2023 (Mon) | Yom Kippur | Hebrew, Optional holiday |
| 13 Oct, 2023 (Fri) | Bridge Public Holiday | National holiday |
| 15 Oct, 2023 (Sun) | Mothers' Day | Observance |
| 16 Oct, 2023 (Mon) | Day of Respect for Cultural Diversity | National holiday |
| 20 Nov, 2023 (Mon) | National Sovereignty Day | National holiday |
| 8 Dec, 2023 (Fri) | Immaculate Conception | National holiday |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
| 25 Dec, 2023 (Mon) | Christmas Day | National holiday, Christian |
| 31 Dec, 2023 (Sun) | New Year's Eve | Observance |
