December 2017
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| 2 | International Day for the Abolition of Slavery |
| 3 | First Sunday of Advent |
| 6 | Feast of St Nicholas |
| 8 | Feast of the Immaculate Conception |
| 12 | Feast of Our Lady of Guadalupe |
| Hanukkah begins at sunset |
| 13 | Feast of St. Lucy |
| 16 | Las Posadas begins |
| 18 | International Migrants Day |
| 20 | International Human Solidarity Day |
| 24 | Christmas Eve |
| 25 | Christmas |
| 26 | Feast of St. Stephen |
| Kwanzaa begins |
| 27 | Feast of St. John the Evangelist |
| 28 | Feast of the Holy Innocents |
| 29 | Birthday of Sister Thea Bowman, FSPA (b. 1937) |
| 30 | Feast of St Thomas Becket |
| 31 | New Year’s Eve |
| Feast of the Holy Family |
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