October 2027 Calendar
| Wk | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 39 | 1 | 2 | 3 | ||||
| 40 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 41 | 11Columbus Day | 12 | 13 | 14 | 15 | 16 | 17 |
| 42 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 43 | 25 | 26 | 27 | 28 | 29 | 30 | 31Halloween |
US federal holidays
- Columbus DayMon, Oct 11, 2027
Other dates
- HalloweenSun, Oct 31
October 2027 at a glance
31days
20working days (US)
39–43ISO weeks
10weekend days
Moon phases (approx.)
- New moonFri, Oct 1
- First quarterWed, Oct 6
- Full moonThu, Oct 14
- Last quarterThu, Oct 21
- New moonThu, Oct 28
Previous and next month
September 2027
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November 2027
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Federal holidays follow the US Office of Personnel Management (OPM) list; dates are calculated, not estimated.