| 1 Jan, 2023 (Sun) | New Year's Day | National holiday |
| 1 Jan, 2023 (Sun) | Restoration of the Czech Independence Day | National holiday |
| 14 Feb, 2023 (Tue) | St. Valentine's Day | Observance |
| 22 Feb, 2023 (Wed) | Carnival / Ash Wednesday | Christian |
| 8 Mar, 2023 (Wed) | International Women's Day | Observance |
| 21 Mar, 2023 (Tue) | March Equinox | Season |
| 2 Apr, 2023 (Sun) | Palm Sunday | Christian |
| 6 Apr, 2023 (Thu) | Maundy Thursday | Christian |
| 7 Apr, 2023 (Fri) | Good Friday | National holiday |
| 8 Apr, 2023 (Sat) | Holy Saturday | Christian |
| 9 Apr, 2023 (Sun) | Easter Sunday | Christian |
| 10 Apr, 2023 (Mon) | Easter Monday | National holiday |
| 1 May, 2023 (Mon) | Labor Day / May Day | National holiday |
| 8 May, 2023 (Mon) | Victory in Europe Day | National holiday |
| 14 May, 2023 (Sun) | Mother's Day | Observance |
| 18 May, 2023 (Thu) | Ascension Day | Christian |
| 28 May, 2023 (Sun) | Whit Sunday | Christian |
| 29 May, 2023 (Mon) | Whit Monday | Christian |
| 1 Jun, 2023 (Thu) | Children's Day | Observance |
| 4 Jun, 2023 (Sun) | Trinity | Christian |
| 18 Jun, 2023 (Sun) | Father's Day | Observance |
| 21 Jun, 2023 (Wed) | June Solstice | Season |
| 5 Jul, 2023 (Wed) | Day of Saints Cyril and Methodius | National holiday |
| 6 Jul, 2023 (Thu) | Jan Hus Day | National holiday |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 28 Sep, 2023 (Thu) | St. Wenceslas Day | National holiday |
| 28 Oct, 2023 (Sat) | Independent Czechoslovak State Day | National holiday |
| 17 Nov, 2023 (Fri) | Struggle for Freedom and Democracy Day | National holiday |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
| 24 Dec, 2023 (Sun) | Christmas Eve | National holiday |
| 25 Dec, 2023 (Mon) | Christmas Day | National holiday |
| 26 Dec, 2023 (Tue) | St. Stephen's Day | National holiday |
