| January | New Year’s Day | 2023-01-01 Sunday | Legal holidays |
| New Year’s Day | 2023-01-02 Monday | Legal holidays | |
| New Year holiday | 2023-01-02 Monday | Local festivals | |
| Epiphany | 2023-01-06 Friday | Christian festivals | |
| Orthodox Christmas Day | 2023-01-07 Saturday | Orthodox Festival | |
| Orthodox New Year | 2023-01-14 Saturday | Orthodox Festival | |
| Chinese New Year | 2023-01-22 Sunday | Holidays or anniversaries | |
| February | Groundhog Day | 2023-02-02 Thursday | Holidays or anniversaries |
| Tu Bishvat/Tu B’Shevat | 2023-02-06 Monday | Judaism festival | |
| Valentine’s Day | 2023-02-14 Tuesday | Holidays or anniversaries | |
| National Flag of Canada Day | 2023-02-15 Wednesday | Holidays or anniversaries | |
| Isra and Mi’raj | 2023-02-18 Saturday | Muslim festivals | |
| Islander Day | 2023-02-20 Monday | Common local holidays | |
| Nova Scotia Heritage Day | 2023-02-20 Monday | Common place for a vacation | |
| Louis Riel Day | 2023-02-20 Monday | Common place for a vacation | |
| Family Day | 2023-02-20 Monday | Common place for a vacation | |
| Shrove Tuesday/Mardi Gras | 2023-02-21 Tuesday | Christian festivals | |
| Carnival / Ash Wednesday | 2023-02-22 Wednesday | Christian festivals | |
| Yukon Heritage Day | 2023-02-24 Friday | Local festivals | |
| Mar. | St. David’s Day | 2023-03-01 Wednesday | Holidays or anniversaries |
| Purim | 2023-03-07 Tuesday | Jewish festivals | |
| Commonwealth Day | 2023-03-13 Monday | Holidays or anniversaries | |
| St. Patrick’s Day | 2023-03-17 Friday | Holidays or anniversaries | |
| St. Patrick’s Day | 2023-03-20 Monday | Local festivals | |
| First Day of Ramadan | 2023-03-23 Thursday | Muslim festivals | |
| April | Palm Sunday | 2023-04-02 Sunday | Christian festivals |
| Maundy Thursday | 2023-04-06 Thursday | Christian festivals | |
| National Tartan Day | 2023-04-06 Thursday | Holidays or anniversaries | |
| Passover (first day) | 2023-04-06 Thursday | Judaism festival | |
| Good Friday | 2023-04-07 Friday | Christian statutory holidays | |
| Holy Saturday | 2023-04-08 Saturday | Christian festivals | |
| Orthodox Easter Day | 2023-04-09 Sunday | Christian festivals | |
| Vimy Ridge Day | 2023-04-09 Sunday | Holidays or anniversaries | |
| Orthodox Easter Monday | 2023-04-10 Monday | Holidays or anniversaries | |
| Last Day of Passover | 2023-04-13 Thursday | Judaism festival | |
| Orthodox Good Friday | 2023-04-14 Friday | Orthodox Festival | |
| Orthodox Holy Saturday | 2023-04-15 Saturday | Orthodox Festival | |
| Orthodox Easter | 2023-04-16 Sunday | Orthodox Festival | |
| Orthodox Easter Monday | 2023-04-17 Monday | Orthodox Festival | |
| Laylatul Qadr (Night of Power) | 2023-04-17 Monday | Muslim festivals | |
| Yom HaShoah | 2023-04-18 Tuesday | Jewish Memorial Festival | |
| Eid ul Fitr | 2023-04-22 Saturday | Muslim festivals | |
| St George’s Day | 2023-04-24 Monday | Local festivals | |
| Yom Ha’atzmaut | 2023-04-26 Wednesday | Judaism festival | |
| May | Lag BaOmer | 2023-05-09 Tuesday | Judaism festival |
| Mother’s Day | 2023-05-14 Sunday | Holidays or anniversaries | |
| Ascension Day | 2023-05-18 Thursday | Christian festivals | |
| Victoria Day | 2023-05-22 Monday | Legal holidays | |
| National Patriots’ Day | 2023-05-22 Monday | Local festivals | |
| Shavuot | 2023-05-26 Friday | Judaism festival | |
| Pentecost | 2023-05-28 Sunday | Christian festivals | |
| Whit Monday | 2023-05-29 Monday | Christian festivals | |
| June | Trinity Sunday | 2023-06-04 Sunday | Christian festivals |
| Corpus Christi | 2023-06-08 Thursday | Christian festivals | |
| Father’s Day | 2023-06-18 Sunday | Holidays or anniversaries | |
| National Aboriginal Day | 2023-06-21 Wednesday | Holidays or anniversaries | |
| St. Jean Baptiste Day | 2023-06-24 Saturday | Local festivals | |
| Discovery Day | 2023-06-26 Monday | Local festivals | |
| Eid ul Adha | 2023-06-29 Thursday | Muslim festivals | |
| July | Canada Day | 2023-07-01 Saturday | Legal holidays |
| Memorial Day | 2023-07-01 Saturday | Local festivals | |
| Nunavut Day | 2023-07-09 Sunday | Local festivals | |
| Nunavut Day | 2023-07-10 Monday | Local festivals | |
| Battle of the Boyne | 2023-07-10 Monday | Local festivals | |
| Muharram/Islamic New Year | 2023-07-19 Wednesday | Muslim festivals | |
| Tisha B’Av | 2023-07-27 Thursday | Judaism festival | |
| August | The Royal St John’s Regatta (Regatta Day) | 2023-08-02 Wednesday | Local festivals |
| Saskatchewan Day | 2023-08-07 Monday | Common local holidays | |
| Heritage Day in Alberta | 2023-08-07 Monday | Common local holidays | |
| Civic/Provincial Day | 2023-08-07 Monday | Local festivals | |
| Civic/Provincial Day | 2023-08-07 Monday | Legal holidays | |
| Terry Fox Day | 2023-08-07 Monday | Local festival | |
| New Brunswick Day | 2023-08-07 Monday | Common local holidays | |
| British Columbia Day | 2023-08-07 Monday | Common local holidays | |
| Natal Day | 2023-08-07 Monday | Common local holidays | |
| Assumption of Mary | 2023-08-15 Tuesday | Christian festivals | |
| Gold Cup Parade | 2023-08-18 Friday | Local festivals | |
| Discovery Day | 2023-08-21 Monday | Local festivals | |
| September | Labour Day | 2023-09-04 Monday | Legal holidays |
| Rosh Hashana | 2023-09-16 Saturday | Judaism festival | |
| Yom Kippur | 2023-09-25 Monday | Judaism festival | |
| Milad un Nabi (Mawlid) | 2023-09-27 Wednesday | Muslim festivals | |
| First Day of Sukkot | 2023-09-30 Saturday | Judaism festival | |
| October | Feast of St Francis of Assisi | 2023-10-04 Wednesday | Christian festivals |
| Last Day of Sukkot | 2023-10-06 Friday | Judaism festival | |
| Shmini Atzeret | 2023-10-07 Saturday | Judaism festival | |
| Simchat Torah | 2023-10-08 Sunday | Judaism festival | |
| Thanksgiving Day | 2023-10-09 Monday | Legal holidays | |
| Healthcare Aide Day | 2023-10-18 Wednesday | Holidays or anniversaries | |
| Halloween | 2023-10-31 Tuesday | Holidays or anniversaries | |
| November | All Saints Day | 2023-11-01 Wednesday | Christian festivals |
| All Souls’ Day | 2023-11-02 Thursday | Christian festivals | |
| Remembrance Day | 2023-11-11 Saturday | Holidays or anniversaries | |
| December | First Sunday of Advent | 2023-12-03 Sunday | Holidays or anniversaries |
| Immaculate Conception | 2023-12-08 Friday | Christian festivals | |
| Chanukah/Hanukkah (first day) | 2023-12-08 Friday | Judaism festival | |
| Anniversary of the Statute of Westminster | 2023-12-11 Monday | Holidays or anniversaries | |
| Last day of Hanukkah | 2023-12-15 Friday | Judaism festival | |
| Christmas Eve | 2023-12-24 Sunday | Holidays or anniversaries | |
| Christmas | 2023-12-25 Monday | Christian statutory holidays | |
| Boxing Day | 2023-12-26 Tuesday | Legal holidays | |
| New Year’s Eve | 2023-12-31 Sunday | Holidays or anniversaries |
