October 2027 at a glance
October 2027 has 31 days. It starts on a Friday and ends on a Sunday, with 21 weekdays and 10 weekend days (5 Saturdays and 5 Sundays). It covers ISO weeks 39 to 43, and days 274 to 304 of the year.
Week by week
Week 39 runs from Mon, Sep 27 to Sun, Oct 3; week 40 from Mon, Oct 4 to Sun, Oct 10; week 41 from Mon, Oct 11 to Sun, Oct 17; week 42 from Mon, Oct 18 to Sun, Oct 24; week 43 from Mon, Oct 25 to Sun, Oct 31. By the end of October, 304 days of 2027 have gone by (83%) and 61 remain. October is part of the fourth quarter (Q4), which has 61 working days in all.
Holidays in October 2027
- Monday, October 11: Columbus Day
Counting Monday to Friday, October 2027 has 20 working days: 21 weekdays minus 1 federal holiday on a weekday. It brings a long weekend thanks to Columbus Day (Monday, October 11).
Other dates to know: Halloween (Sunday, October 31) and Alaska Day in Alaska (October 18).
Moon, seasons and clocks
Moon phases in Eastern Time: first quarter on Thursday, October 7 at 7:47 AM, full moon on Friday, October 15 at 9:47 AM, last quarter on Friday, October 22 at 1:29 PM and new moon on Friday, October 29 at 9:37 AM. The full moon of October 15 is traditionally called the Hunter’s Moon. In Europe, clocks go back on Sunday, October 31.
| Key date | Day |
|---|---|
| First quarter | Thu, Oct 7 |
| Columbus Day (federal holiday) | Mon, Oct 11 |
| Full moon (Hunter’s Moon) | Fri, Oct 15 |
| Alaska Day (Alaska) | Mon, Oct 18 |
| Last quarter | Fri, Oct 22 |
| New moon | Fri, Oct 29 |
| Halloween | Sun, Oct 31 |
| Clocks go back in Europe | Sun, Oct 31 |
About October
October is the last full month of daylight saving time in the US: clocks fall back on the first Sunday of November. Europe changes a week earlier, on the last Sunday of October, so for a few days the time gap with Europe shrinks by an hour.
September 2027 · November 2027 · 2027 calendar · US holidays 2027 · week number today · moon calendar for October 2027