October 2027 Calendar
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October 2027 at a glance
| Wk | Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|---|
| 39 | 1 | 2 Rosh Hashanah | |||||
| 40 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 41 | 10 | 11 Columbus Day Yom Kippur | 12 | 13 | 14 | 15 | 16 Sukkot |
| 42 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 43 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 44 | 31 Halloween |
About October 2027
October 2027 has 31 days. It starts on a Friday and ends on a Sunday, with 21 weekdays (Monday to Friday) and 20 federal working days once the holiday is taken out. The month covers ISO weeks 39 to 43 and days 274 to 304 of the year (quarter 4).
Federal holiday this month: Columbus Day on Monday, October 11, 2027 (the second Monday in October).
Long weekend: Sat, Oct 9 to Mon, Oct 11 (Columbus Day).
The full moon falls on Fri, Oct 15 (Hunter's Moon, 9:47 a.m. EDT).
Holidays and observances in October 2027
| Date | Holiday | Type |
|---|---|---|
| Sat, Oct 2 | Rosh Hashanah (5788)Begins at sundown the evening before. | Religious |
| Mon, Oct 11 | Columbus DayFederal offices, banks and most post offices closed. | Federal holiday |
| Mon, Oct 11 | Yom KippurBegins at sundown the evening before. | Religious |
| Sat, Oct 16 | Sukkot (first day)Begins at sundown the evening before. | Religious |
| Sun, Oct 31 | Halloween | Observance |
Moon phases in October 2027
- First Quarter: Thu, Oct 7 at 7:48 a.m. EDT
- Full Moon: Fri, Oct 15 at 9:47 a.m. EDT
- Last Quarter: Fri, Oct 22 at 1:29 p.m. EDT
- New Moon: Fri, Oct 29 at 9:37 a.m. EDT
Questions and answers
What day does October 2027 start on?
October 2027 starts on Friday, October 1, 2027 and ends on Sunday, October 31, 2027.
How many working days are in October 2027?
There are 21 weekdays in October 2027. Taking out the federal holiday leaves 20 working days for federal offices. Private employers set their own holidays.
What holidays are in October 2027?
Federal: Columbus Day (Mon, Oct 11). Other dates: Rosh Hashanah (5788) (Sat, Oct 2), Yom Kippur (Mon, Oct 11), Sukkot (first day) (Sat, Oct 16), Halloween (Sun, Oct 31).
What week numbers are in October 2027?
October 2027 covers ISO weeks 39 to 43. ISO weeks start on Monday, and week 1 is the week with the year's first Thursday.
Holidays: U.S. Office of Personnel Management, Federal Holidays (5 U.S.C. 6103), last checked October 17, 2026. Moon phases calculated with Astronomy Engine, US Eastern Time. Unofficial calendar for planning; check with your employer or agency.