Most calendars treat Christmas as a single day. The older church tradition treats it as a season — a stretch of twelve full days running from Christmas Day on December 25 to Epiphany on January 6. The popular song with the partridge and the pear tree counts those days. So does the phrase "Twelfth Night," familiar from Shakespeare. The dates are not optional flourishes; they are the original framework, and they are still the official liturgical calendar in the Catholic, Anglican, and Lutheran traditions.
The dates, day by day
| Day | Date | What it marks (Western tradition) |
|---|---|---|
| 1 | December 25 | Christmas Day — the Nativity |
| 2 | December 26 | Saint Stephen's Day; Boxing Day in much of the Commonwealth |
| 3 | December 27 | Saint John the Evangelist |
| 4 | December 28 | Holy Innocents |
| 5 | December 29 | Often kept as a day of the octave of Christmas |
| 6 | December 30 | Within the Christmas octave |
| 7 | December 31 | Saint Sylvester / New Year's Eve |
| 8 | January 1 | Solemnity of Mary, Mother of God / Feast of the Circumcision; New Year's Day in civil calendars |
| 9 | January 2 | Within Christmastide |
| 10 | January 3 | Within Christmastide |
| 11 | January 4 | Within Christmastide |
| 12 | January 5 | Twelfth Night — the eve of Epiphany |
| — | January 6 | Epiphany — the visit of the Magi; the close of the Twelve Days |
The exact ranking of the saints' days varies between Catholic, Anglican, and Lutheran calendars, and certain feasts move in years where they fall on a Sunday. The framework — twelve days from December 25 to January 5, with Epiphany following on January 6 — is consistent across the Western traditions.
Where the Twelve Days come from
The Twelve Days were fixed in the early Middle Ages, settling a disagreement between Christian communities that wanted to celebrate the birth of Christ on December 25 and those that wanted to mark it on January 6. The compromise was to keep both. Christmas became the festival of the Nativity; Epiphany became the festival of Christ's manifestation to the wider world, traditionally connected with the visit of the Magi. The dates between were treated as a single continuous celebration — Christmastide — and counted out as twelve days.
In the Eastern Orthodox tradition that follows the Julian calendar for liturgical purposes, the same logic applies but on a different reckoning: Christmas itself is observed on what the civil calendar calls January 7, with its own season of feasts that follows.
What "Twelfth Night" means
Twelfth Night is the evening of January 5, the eve of Epiphany. In England, France, and parts of Latin America it has its own traditions: a special cake (the "king cake" / galette des rois / roscón de reyes) baked with a hidden token; the singing of carols that name a different gift each night; and, in older British custom, the moment when Christmas decorations come down. Shakespeare's comedy of that name is set on the night and trades on its mood of festive misrule.
Why the dates often surprise people
Plenty of households now treat the day after Christmas as the end of the season — by December 27 the tree is on the kerb and the leftovers are running out. That is a relatively recent shift. Through most of the twentieth century, decorations stayed up until at least Twelfth Night, and the period from the 25th to January 6 was understood as the actual holiday rather than a long debrief.
The popular song "The Twelve Days of Christmas" preserves the older framework. It runs through twelve nights, each adding one new gift, ending on Twelfth Night with the full set. The song is folk material — its precise origins are debated — but the dates it counts are the dates the church kept.
Christmastide vs. Advent — keeping them straight
| Advent | Christmastide (the Twelve Days) | |
|---|---|---|
| When | Four Sundays before December 25 | December 25 to January 5, with Epiphany on January 6 |
| Mood | Preparation, anticipation | Celebration, feasting |
| Colour (Western liturgy) | Purple, with rose on the third Sunday | White and gold |
| Counted by | Advent calendar doors and the Advent wreath | The Twelve Days, with Twelfth Night and Epiphany |
Common mistakes
- Counting the Twelve Days from December 13. They start on Christmas Day. Counting backwards from the 25th puts the start in mid-December and is wrong by every traditional reckoning.
- Treating Epiphany as the twelfth day. Epiphany is the day after the twelfth day. The Twelve Days are the days from the 25th up to and including January 5.
- Assuming the dates move with the calendar. Unlike Advent, which moves with the Sundays, Christmastide is anchored to fixed dates.
Why this matters for a countdown
If you are using a December 25 timer like the one on the home page, the question of "how many days until Christmas" answers itself. The follow-up question — "how long is Christmas, anyway?" — has an actual answer: twelve days, ending on the eve of Epiphany. Knowing that lets you pace the season instead of crashing through it. Decorations can stay up. Feast days can be observed one at a time. The point of the countdown is what comes after, not just the moment it hits zero.
For the days running up to the 25th, see the Advent calendar page. For how the eve fits in, see Christmas Eve. For how all of this looks in different countries, see Christmas around the world.
Last reviewed on April 27, 2026.
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