National and Other Holidays
December 2015
| Date | Weekday | Holiday | Type | Where Observed |
| 6 | Sunday | St. Nicholas' Day | Observed | |
| 7 | Monday | Chanukah/Hanukkah (first day) | Jewish | |
| 7 | Monday | Pearl Harbor Remembrance Day | Observed | |
| 8 | Tuesday | Feast of the Immaculate Conception | Christian | |
| 12 | Saturday | Feast of Our Lady of Guadalupe | Observed | |
| 14 | Monday | Last Day of Chanukah | Jewish | |
| 17 | Thursday | Wright Brothers Day | Observed | |
| 22 | Tuesday | December Solstice | Season | |
| 24 | Thursday | The Prophet's Birthday | Muslim | |
| 24 | Thursday | Christmas Eve | State | KS, LA, MI, NC, ND, OK, SC, TX, VA, WI |
| 24 | Thursday | Christmas Eve | Observed, Christian |
|
| 24 | Thursday | Washington's Birthday | State | GA, IN |
| 25 | Friday | Christmas Day | Observed, Christian |
|
| 26 | Saturday | Kwanzaa (until Jan 1) | Observed | |
| 26 | Saturday | Day After Christmas Day | Observed | |
| 26 | Saturday | Day After Christmas Day | State | KS, KY, NC, NH, SC, TX |
| 31 | Thursday | New Year's Eve | Observed | |
| 31 | Thursday | New Year's Eve | State | LA, MI, WI |
