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DateAlmanac

October 2027

  • 31 days
  • Starts Friday
  • Ends Sunday
  • 20 working days
  • 10 weekend days
  • ISO weeks 39–43
Calendar grid for 10/2027, weeks starting Sun
ISO week number, Monday to Sunday
39
40
41
42
43
44

Holiday or observanceWeekend

Holidays in October

  • Columbus DayOct 11
  • HalloweenOct 31

Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 5 religious dates fall in October 2027 as well — see the calendar with every holiday.

Moon phases

  • First quarter

    Thu, Oct 7

    7:47 AM ET

  • Full moon

    Fri, Oct 15

    9:46 AM ET

  • Last quarter

    Fri, Oct 22

    1:29 PM ET

  • New moon

    Fri, Oct 29

    9:36 AM ET

Times in US Eastern. Computed from Meeus, Astronomical Algorithms, ch. 49.

The moon through October

  1. 1
  2. 3
  3. 5
  4. 7
  5. 9
  6. 11
  7. 13
  8. 15
  9. 17
  10. 19
  11. 21
  12. 23
  13. 25
  14. 27
  15. 29
  16. 31
The moon every other evening, drawn at its true illumination. The terminator is a semi-ellipse, not a straight edge — it only looks straight at the quarters.

About October 2027

October 2027 has 31 days. It begins on a Friday and ends on a Sunday, which gives the month five Fridays, Saturdays and Sundays — and only four of every other weekday. Of its 21 weekdays, 1 is a federal holiday, leaving 20 working days.

2027 at a glance

Calendar with holidaysPrintable versionDownload PDFFull year 2027