| Calendar date/s | Day of week | Observance | Christian tradition/s giving special attention to this event. |
| January | |||
| January 1,8,15,22,29 | Sundays | Primary worship services | Most Christians |
| January 1 | Sunday | Mary, Mother of God Feast Day of St. Basil Feast of the Holy Name of Jesus | Catholic Christians Orthodox Christians Orthodox Christians |
| January 5 | Thursday | Twelfth Night | Many Christians |
| January 6 | Friday | Epiphany Feast of the Theophany Dia de los Reyes | Many Christians Orthodox Christians Hispanic Christians |
| January 7 | Saturday | Nativity of Christ | Some Orthodox Christians |
| January 8 | Sunday | Baptism of the Lord Jesus | Many Christians |
| January 11 | Wednesday | Baptism of the Lord Jesus | Most Christians |
| January 17 | Tuesday | Blessing of the Animals (St. Anthony) | Catholic - Hispanic |
| January 18-25 | Wed-Wed | Week of Prayer for Christian Unity | Many Christians |
| January 25 | Wednesday | Conversion of St. Paul | Many Christians |
| February | |||
| February 5,12,19,26 | Sundays | Primary worship services | Most Christians |
| February 2 | Thursday | Presentation of Jesus in the Temple Candlemas St. Brighid of Kildare Day Triodion begins | Many Christians Many Christians Celtic Christians Orthodox Christians |
| February 3 | Friday | St. Blase Day | Catholic Christians |
| February 14 | Tuesday | St. Valentine's Day | Many Christians |
| February 19 | Sunday | Meatfare Sunday Transfiguration Sunday | Orthodox Christians Many Christians |
| February 21 | Tuesday | Shrove Tuesday | Many Christians |
| February 22 | Wednesday | Ash Wednesday - Lent Begins | Many Christians |
| February 24 | Friday | St. Matthew - Apostle and Evangelist | Many Christian |
| February 26 | Sunday | Cheesefare Sunday | Orthodox Christians |
| Febvruary 27 | Monday | Clean Monday - Great Lent begins | |
| March | |||
| March 4,11,18,25 | Sundays | Primary Worship Services | Most Christians |
| March 1 | Thursday | St. David of Wales Day | Anglican Christian |
| March 4 | Sunday | Orthodox Sunday | Orthodox Christians |
| March 17 | Saturday | St. Patrick's Day | Many Christians |
| March 19 | Monday | St. Joseph's Day | Many Christians |
| March 25 | Sunday | Annunciation of the Blessed Virgin Mary | Catholic Christians |
| March 31 | Saturday | Lent concludes | Many Christians |
| April | |||
| April 1,8,15,22,29 | Sundays | Primary Worship Services | Most Christians |
| April 1 | Sunday | Palm Sunday | Many Christians |
| April 5 | Thursday | Maunday Thursday | Many Christians |
| April 6 | Friday | Good Friday Lord's Evening Meal | Many Christians Jehovah's Witness Christians |
| April 7 | Saturday | Lazarus Saturday | Orthodox Christians |
| April 8 | Sunday | Easter Palm Sunday | Many Christians Orthodox Christians |
| April 13 | Friday | Holy Friday | Orthodox Christians |
| April 15 | Sunday | Pascha (Easter) | Orthodox Christians |
| April 23 | Monday | St. George's Day | Many Christians |
| April 30 | Monday | St. James the Great Day | Orthodox Christian |
| May | |||
| May 6,13,20,27 | Sundays | Primary Worship Services | Most Christians |
| May 1 | Tuesday | National Day of Prayer (USA) | Interfaith |
| May 3 | Thursday | St. Philip the Apostle | Many Christians |
| May 17 | Thursday | Ascension of Jesus | Many Christians |
| May 24 | Thursday | Ascension of Jesus | Orthodox Christians |
| May 27 | Sunday | Pentecost | Many Christians |
| June | |||
| June 3,10,17,24 | Sundays | Primary Worship Services | Most Christians |
| June 3 | Sunday | Pentecost Trinity Sunday | Orthodox Christians Many Christians |
| June 7 | Thursday | Corpus Christi | Catholic Christians |
| June 9 | Saturday | St. Columba of Iona Day | Celtic Christian |
| June 10 | Sunday | All Saints Day | Orthodox Christians |
| June l5 | Friday | Sacred Heart of Christ | Catholic Christians |
| June 19 | Tuesday | New Church Day Timkat | Swedenborgian Christians Ethiopian Orthodox Christians |
| June 24 | Sunday | Saint John the Baptist | Many Christians |
| June 28 | Thursday | Saints Peter and Paul | Many Christians |
| June 29 | Friday | St. Peter's Day Feast Day of Saints Peter and Paul | Catholic Christians Many Christians |
| July | |||
| July 1,8,15,22,29 | Sundays | Primary Worship Services | Most Christians |
| July 11 | Wednesday | St. Benedict Day | Catholic Christian |
| July 15 | Sunday | St. Vladimir the Great Day | Orthodox Christian |
| July 24 | Tuesday | Pioneer Day | Mormon Christian |
August | |||
| August 5,12,19,26 | Sundays | Primary Worship Services | Most Christians |
| August 1 | Wednesday | Lammas Fast in honor of Holy Mother of Jesus | Some Christians Orthodox Christians |
| August 6 | Monday | Transfiguration of the Lord | Orthodox Christian |
| August 15 | Wednesday | Assumption of the Blessed Virgin Mary Dormition of the Theotokos | Catholic Christian Orthodox Christian |
| August 24 | Friday | St. Batholomew Day | Some Christians |
| August 29 | Wednesday | Beheading of St. John the Baptist | Most Christians |
| September | |||
| September 2,9,16,23,30 | Sundays | Primary Worship Services | Most Christians |
| September 1 | Saturday | Ecclesiastical Year begins | Orthodox Christians |
| September 8 | Saturday | Nativity of the Blessed Virgin Mary Feast of Nativity of the Theotokos | Many Christians Orthodox Christians |
| September 14 | Friday | Elevation of the Life Giving Cross Holy Cross Day | Orthodox Many Christians |
| September 28 | Friday | Meskel | Ethiopian-Eritrean Orthodox |
| September 29 | Saturday | Michael and All Angels | Many Christians |
| October | |||
| October 7,14,21,28 | Sundays | Primary Worship Services | Most Christians |
| October 4 | Thursday | St. Francis Day Blessing of the Animals | Catholic Christians Some Christians |
| October 6 | Saturday | Holy Apostle St. Thomas Day | Orthodox Christians |
| October 18 | Thursday | St. Luke, Apostle & Evangelist | Many Christians |
| October 28 | Sunday | Reformation Day Milvian Bridge Day | Protestant Christians Some Christians |
| October 31 | Wednesday | All Hallows Eve Reformation Day | Many Christians Protestant Christians |
| November | |||
| November 4,11,18,25 | Sundays | Primary Worship Services | Most Christians |
| November 1 | Thursday | All Saints' Day | Many Christians |
| November 2 | Friday | All Souls' Day | Many Christians |
| Nov. 15-Dec. 24 | Thurs-Sunday | Winter Lent (Nativity Fast) | Orthodox Christians |
| November 22 | Thursday | Thanksgiving | USA Interfaith |
| November 25 | Sunday | Christ the King | Many Christians |
| November 30 | Friday | St. Andrew's Day | Many Christians |
| December | |||
| December 2,9,16,22,30 | Sundays | Primary Worship Services | Most Christians |
| December 2 | Sunday | First Sunday of Advent | Most Christians |
| December 6 | Thursday | St. Nicholas Day | Many Christians |
| December 8 | Saturday | Immaculate Conception of Mary | Catholic Christians |
| December 9 | Sunday | Second Sunday of Advent | Most Christians |
| December 12 | Wednesday | Feast Day - Our Lady of Guadalupe Advent Fast Begins | Catholic Christians Orthodox Christians |
| December 16 | Sunday | Third Sunday of Advent | Most Christians |
| December 16-25 | .Sun-Tuesday | Los Posadas | Some Christians |
| December 21 | Friday | St. Thomas The Apostle Day Yule | Catholic Christians Some Christians |
| December 23 | Sunday | Fourth Sunday of Advent | Most Christians |
| December 24 | Monday | Christmas Eve | Most Christians |
| December 25 | Tuesday | Christmas Feast of the Nativity | Most Christians |
| December 26 | Wednesday | St. Stephen - Deacon and Martyr | Many Christians |
| December 27 | Thursday | St. John, Apostle and Evangelist | Many Christians |
| December 28 | Friday | Holy Innocents Feast Day of the Holy Family | Many Christians Catholic Christians |
| December 31 | Tuesday | Watch Night |
