National and Other Holidays
October 2015
| Date | Weekday | Holiday | Type | Where Observed |
| 4 | Sunday | Feast of St. Francis of Assisi | Christian | |
| 4 | Sunday | Last Day of Sukkot | Jewish | |
| 5 | Monday | Shmini Atzeret | Jewish | |
| 5 | Monday | Child Health Day | Observed | |
| 6 | Tuesday | Simchat Torah | Jewish | |
| 9 | Friday | Leif Erikson Day | Observed | |
| 12 | Monday | Columbus Day | Observed | Local FL |
| 12 | Monday | Columbus Day | National | All except AK, AR, CA, DE, FL, HI, MI, MN, ND, NV, OR, SD, TX, VT, WA, Wi, WY |
| 12 | Monday | Native Americans' Day | Observed | SD |
| 12 | Monday | Indigenous People's Day | Observed | CA, MN, WA |
| 15 | Thursday | Muharram | Muslim | |
| 15 | Thursday | White Cane Safety Day | Observed | |
| 16 | Friday | Boss's Day | Observed | |
| 18 | Sunday | Alaska Day | State | AK |
| 19 | Monday | Alaska Day observed | State | AK |
| 30 | Friday | Nevada Day | State | NV |
| 31 | Saturday | Halloween | Observed | |
