01 01 New Years Day
01 02 St. Macarius' Day
01 03 St. Genevieve's Day
01 04 St. Titus' Day
01 05 Wassail Eve (Twelfth Night)
01 06 Epiphany (Twelfth Day)
01 06 Start of Opentyde
01 07 "St. Distaff's" Day
01 08 Plough MonDay
01 09 St. Julian's Day
01 10 St. Agatho's Day
01 11 Feast Day of St. Carmenta
01 12 St. Quiteria's Day
01 13 St. Hilary's Day
01 14 Feast Day of St. Felix of Nola
01 14 Cakes and Ale Day
01 15 St. Marius's Day
01 16 St. Honoratus' Day
01 17 St. Anthony's Day
01 18 St. Fillian's Eve
01 19 St. Wulfstan's Day
01 20 St. Sebastian's Day
01 21 St. Agnes Eve
01 22 Feast Day of St. Vincent of Saragossa
01 23 Mary's betrothal to Joseph
01 23 Feast of St. Ildefonsus
01 24 Paul's Pitcher-Day
01 25 Burns night
01 26 St. Paula's Day
01 27 St. Sava's Day
01 28 St. Thomas Aquinas's Day
01 29 St. Francis de Sales's Eve
01 30 St. Aldegard's Day
01 31 St. John Bosco's Day
02 01 Cross-Quarter Day
02 01 Serpent Day
02 02 Candlemas Day
02 03 St. Blaise's Day
02 04 King Frost Day
02 05 St. Agatha's Day
02 06 St. Amand's Day
02 07 St. Richard's Day
02 08 St. Meingold's Day
02 09 St. Apollonia's Day
02 10 St. Jonas's Eve
02 10 Feast of St. Paul's Shipwreck
02 11 Anthesteria - Feast of Flowers
02 12 Feast of Diana
02 13 St. Modomnoc's Day
02 14 St. Valentine's Day
02 15 Lupercalia festival
02 16 St. Flavian's Day
02 17 St. Bernadette's Day
02 18 St. Angelico's Day
02 19 St. Conrad's Day
02 20 St. Peter Damian's Day
02 21 Feralia festival
02 22 Feast of the Chair of St. Peter
02 23 St. Milburga's Day
02 24 Gregorian calendar Day
02 25 St. Romanus's Day
02 26 St. Porphyry's Day
02 27 St. Baldomer's Day
02 28 St. Oswald of York's Day
02 29 Paul III leap year Day
02 29 Bachelor's Day
03 01 St. David's Day
03 02 St. Chad's Day
03 03 Peach blossom Day
03 04 St. Casmir's Day
03 05 Feast of Fools
03 05 Mother-in-Law's Day
03 06 Festival of Mars
03 07 St. Felicity's Day
03 08 St. Felix's Day
03 09 Forty Saints Feast Day
03 10 St. Kessog's Day
03 11 St. Hercules's Day
03 12 First Day of Cerelia
03 12 St. Gregory the Great's Day
03 13 St. Ansovinus's Day
03 14 St. Benedict's Day
03 15 The Ides of March
03 15 St. Gertrude's Day
03 16 St. Brendan's Day
03 17 St. Patrick's Day
03 18 St. Edward's Day
03 19 St. Joseph's Day
03 20 St. Cuthbert's Day
03 21 St. Benedict's Day
03 22 St. Catherine of Sweden's Day
03 23 Summer finding
03 24 St. Gabriel's Day
03 25 St. Dysmas's Day
03 26 St. Braulio's Day
03 27 Liberalia festival
03 28 Sun and Moon Day
03 29 Flowering of the Mallorn
03 30 Festival of Janus and Concordia
03 31 St. Renovatus's Day
04 01 April Fool's Day
04 02 St. Mary of Egypt's Day
04 03 St. Richard of Chichester's Day
04 04 St. Ambrose's Day
04 05 St. Juliana of Liege's Day
04 06 St. Notker Balbulus's Day
04 07 St. Hegesippus's Day
04 08 Walter of Pontnoise's Day
04 09 Churchill Day
04 10 St. Fulbert's Day
04 11 Dandelion Day
04 12 St. Zeno's Day
04 13 Feast of the Goddess Liberty 
04 14 St. Lidwyna's Day
04 15 Swallow Day
04 16 St. Benedict Labre's Day
04 17 St. Hildegund's Day
04 18 St. Aya's Day
04 19 Patriot's Day
04 20 St. Peter Martyr's Day
04 21 Day of the foundation of Rome
04 22 Earth Day
04 23 Georgemas
04 24 St. Egbert's Day
04 25 St. Mark's Day
04 26 St. Ambrose's Day
04 27 St. Zita's Day
04 28 Floralia
04 29 Feast Day of Hugh of Cluny
04 30 Walpurgis Night (night of demons)
05 01 May Day
05 02 St. Zoe's Day
05 03 Shakespeare's birthday
05 04 St. Florian's Day
05 05 St. Dominic Savio's Day
05 06 St. Ava's Day
05 07 St. John of Beverley's Day
05 08 St. Michael's Day
05 09 St. Anthony's Eve
05 10 Ring Day
05 11 St. Philip's Day
05 12 St. Pancras's Day
05 13 St. Servatius's Day
05 14 St. Hallvasrd's Eve
05 15 Feast Day of St. John of Nepomuk
05 16 St. Honoratus's Day
05 17 St. Cathan's Day
05 18 St. Yves's Day
05 19 Dulcimer Days begin
05 20 St. Bernadino's Day
05 21 St. Rita's Eve
05 22 St. Aubert's Day
05 23 Vulcan's Day
05 24 Empire Day
05 25 Memorial Day (observed)
05 26 St. Leonard's Day
05 27 Flitting Day
05 28 St. Hubert's Day
05 29 Royal Oak Day
05 30 Memorial Day
05 31 St. Petronilla's Day
06 01 St. Theobald's Day
06 02 St. Elmo's Day
06 03 St. Morand's Day
06 04 St. Francis of Caracciola's Day
06 05 St. Boniface's Day
06 06 St. Norbert's Day
06 07 Fleur-de-lys Day
06 08 St. Medard's Day
06 09 Vestalia 
06 10 St. Olive's Day
06 11 Feast Day of St. Barnabas
06 12 St. Venerius's Day
06 13 St. Anthony's Day
06 14 Flag Day
06 15 St. Vitus's Day
06 16 Dismal Day
06 17 St. Herve's Day
06 18 St. Alena's Day
06 19 Feast Day of Sts. Gervase and Protase
06 20 Cherry Festival
06 21 St. Alban's Day
06 22 St. Thomas More's Day
06 23 Midsummer's Eve
06 24 Midsummer's Day
06 25 St. Molang's Day
06 26 St. Meingold's Day
06 27 Orange blossom Day
06 28 St. Irenaeus's Day
06 29 St. Paul's Day
06 30 St. Gengulf's Day
07 01 Canada Day (Canada)
07 02 Feast Day of Sts. Processus and Martinian
07 03 St. Thomas's Day
07 04 St. Ulric's Day
07 04 Independence Day (USA)
07 05 Tynwald Day
07 06 St. Godeleva's Day
07 07 St. Cyril's Day
07 08 Feast of St. Sunniva
07 09 St. Hormisdas's Day
07 10 Feast Day of St. Felicity of Rome
07 11 St. Bernard's Day
07 12 Visitation Day
07 13 Festival of Lanterns
07 14 Feast Day of St. Camillus
07 14 Bastille Day (France)
07 15 St. Swithin's Day
07 16 St. Helier's Day
07 17 St. Marina's Day
07 18 St. Arnolf of Metz's Day
07 19 Adonia
07 20 St. Wylgeforte's Day
07 21 St. Victor's Day
07 22 St. Mary Magdalen's Day
07 23 Neptunalia
07 24 Feast Day of St. Christina the Astonishing
07 25 St Genesius's Day
07 26 St. Anne's Day
07 27 St. Pantaleon's Day
07 28 St. Lupus' Eve
07 29 St. Martha's Day
07 30 St. Abdon's Day
07 31 St. Ignatius's Day
08 01 Lammas-day
08 02 Dryads Day
08 03 St. Lydia's Day
08 04 St. Sithney's Day
08 05 Oyster Day
08 06 Feast of the Transfiguration
08 07 St. Justin's Day
08 08 St. Dominic's Day
08 09 St. Besse's Day
08 10 Feast Day of St. Lawrence
08 11 St. Claire's Day 
08 12 St. Alexander's Day
08 13 St. Hipploytus's Day
08 14 St. Maximilian's Day
08 15 Feast Day of Arnulph of Soissons
08 16 St. Roche's Day
08 17 Holiday of Portunus
08 18 First Day of Fructidor
08 19 Bernard of Clairvaux's Day
08 20 St. Filibert's Day
08 21 Feast of Consualia
08 22 Old Thresherman's Reunion
08 23 St. Ouen's day
08 24 St. Bartholomew's Day
08 25 St. Louis's Day
08 26 Sky Day
08 27 St. Sebaldus's Day
08 28 St. Augustine's Day
08 29 Feast Day of John the Baptist
08 30 St. Verana's Eve
08 31 St. Raymond's Eve
09 01 St. Fiacre's Day
09 02 St. Sulien's Day
09 02 Day of the Great Fire of London
09 03 St. Gregory I's Day
09 04 St. Rosalia's Day
09 05 St. Alto's Day
09 06 St. Magnus' Day
09 07 Labor Day (USA & Canada)
09 08 St. Adrian's Day
09 09 Teddy Bear Day
09 10 Feast Day of St. Nicholas of Tolentino
09 11 Sts. Proteus and Hyacinth's Day
09 12 St. Hugo's Day
09 13 Lectisternia
09 14 St. Notburga's Day
09 15 Battle of Britain Day
09 16 St. Cornelius's Day
09 17 St. Lambert's Day
09 18 St. Columbanus's Day
09 19 Fast of Thoth
09 20 Regatta Day
09 21 St. Matthew's Day
09 22 St. Maurice's Day
09 23 Feast of Carpo
09 24 St. Wenddelin's Feast Day
09 25 Salute the Sun Day
09 26 St. Damian's Day
09 27 Feast of the Finding of the True Cross
09 28 St. Bernado of Felthe's Day 
09 29 Michaelmas Day
09 30 Pack Rag Day
10 01 Feast Day of Thérèse of Lisieux
10 02 Old Man's Day
10 03 St. Gerard of Brogue's Day
10 04 St. Francis of Assisi's Day
10 05 St, Maurus's Day
10 06 Oktoberfest
10 07 St. Thias's Eve
10 08 St. Luke's Day
10 09 St. Andronicus's Eve
10 10 Double 10th Day
10 11 St. Gomer's Day
10 12 Columbus Day
10 13 Feast Day of St. Edward the Confessor
10 14 Winter's Day
10 15 St. Callistus's Day
10 16 Feast day of Gerard Majella
10 17 St. Ethelred's Day
10 18 Dog-worshipping Day 
10 19 Feast Day of St. Peter
10 20 St. Contard's Day
10 21 St. Ursula's Day
10 22 St. Hermes's Day
10 23 St. Elfeda's Day
10 24 United Nations Day
10 25 St. Crispin's Day
10 26 Feast of St. Demetrios
10 27 St. Abban's Day
10 28 St. Simon's Day
10 29 Lord Mayor's Day
10 30 St. Andrew's Day
10 31 Hallowe'en
11 02 All Souls' Day
11 03 St. Hubert's Day
11 03 Election Day
11 04 Mischief Night
11 05 Guy Fawkes Day
11 06 St. Leonard's Day
11 07 St. Willibrord's Day
11 08 St. Claude's Day
11 09 St. Maturinus's Day
11 10 Forget-me-not Day
11 11 Armistice Day
11 11 Veterans Day
11 11 St. Martin's Day 
11 12 St. Francis Cabrini's Day
11 13 St. Homobonus's Day
11 14 St. Diego's Day
11 15 Feast of St. Leopold
11 16 St. Gregory the Wonderworker's Eve
11 17 St. Hugh's Day
11 18 St. Odo's Day
11 19 St. Elizabeth's Day
11 20 St. Bernward's Day
11 21 St. Gelasius's Day
11 22 St. Cecilia's Day
11 23 St. Clement's Day
11 24 St. Colman of Cloyne's Day
11 25 St. Catherine's Day
11 26 Thanksgiving Day (USA)
11 27 St. Maximus's Day
11 28 St. Simeon Metaphrastes's Day
11 29 St. Saturnius's Day
11 30 St. Andrew's Day
12 01 St. Eligius's Day
12 02 St. Bibiana's Day
12 03 St. Francis Xavier's Day
12 04 St. Barbara's Day
12 05 St. Nicholas' Day
12 06 Thor's Day
12 07 St. Ambrose's Day
12 08 Feast of the Immaculate Conception
12 09 St. Eulalia's Eve
12 10 St. Miltiades's Day
12 11 Scaling Day
12 12 Poinsettia Day
12 13 Hanukkah
12 14 St. John of the Cross Day
12 15 St. Valerian's Day
12 16 Boston Tea Party (1773)
12 17 St. Lazarus's Day
12 18 St. Frumentius's Day
12 19 St. Adam's Day
12 20 Mother Night
12 21 Forefathers' Day
12 22 St. Anastasia's Day
12 23 Feast of the Radishes
12 24 Christmas Eve
12 25 Christmas Day
12 26 Boxing Day
12 26 Feast Day of St. Stephen
12 27 St. John's Day
12 28 Childermas
12 28 Innocents Day
12 29 Feast of St. Thomas
12 30 St. Sylvestre's Day
12 31 New Years eve