October 2027 Calendar

October 2027 has 31 days, from Friday, October 1 to Sunday, October 31. It has 20 working days and one federal holiday: Columbus Day (Monday, October 11).

Updated · By the YearlyCalendar.org team

Download PDF2027 yearly calendar

US federal holidays shaded · Wk = ISO week number

October 2027
WkSundaySunMondayMonTuesdayTueWednesdayWedThursdayThuFridayFriSaturdaySat
3912Rosh Hashanah
403456789
411011Columbus DayYom Kippur1213141516Sukkot (first day)
4217181920212223
4324252627282930
4331Halloween

Holidays and observances in October 2027

HolidayDateDayType
Rosh Hashanah
Begins at sundown the evening before.
SaturdayReligious
Columbus Day
Also observed as Indigenous Peoples' Day in many states and cities.
MondayFederal
Yom Kippur
Begins at sundown the evening before.
MondayReligious
Sukkot (first day)
Begins at sundown the evening before.
SaturdayReligious
HalloweenSundayObservance

All 2027 holidays and observances →

October 2027 at a glance

21weekdays (Mon–Fri)
10weekend days
W39–W43ISO week numbers (Wk)
Q4quarter (Oct–Dec)
274–304days of the year
Fallseason (N. Hemisphere)

Moon phases in October 2027

Times are Eastern Time (EST/EDT). All 2027 moon phases.

PhaseDateTime (ET)
First Quarter7:47 AM EDT
Full Moon (Hunter's Moon)9:47 AM EDT
Last Quarter1:29 PM EDT
New Moon9:36 AM EDT

September 2027 and November 2027

September
SuMoTuWeThFrSa
1234
567891011
12131415161718
19202122232425
2627282930
November
SuMoTuWeThFrSa
123456
78910111213
14151617181920
21222324252627
282930

About October

From the Latin octo, "eight" — the eighth month of the old Roman calendar. Birthstone: Opal / Tourmaline. Birth flower: Marigold. Zodiac: Libra / Scorpio. All 12 months.

Frequently asked questions

What are the first and last business days of October 2027?

The first business day is Friday, October 1 and the last is Friday, October 29, counting Monday–Friday and skipping US federal holidays.

How many working hours are in October 2027?

October 2027 has 160 working hours at 8 hours per working day, or 168 hours for someone who works through the federal holidays.

Are there any three-day weekends in October 2027?

Yes. Federal workers get one three-day weekend: Oct 9–11 (Columbus Day).

How many weekends are in October 2027?

October 2027 has five full Saturday–Sunday weekends. Fridays, Saturdays and Sundays occur five times and every other weekday four times.

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