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October 2021 Calendar

October 2021 has 31 days, starting on a Friday and ending on a Sunday. It spans ISO weeks 39–43, with 21 weekdays and 10 weekend days — and 6 public holidays across the 12 countries listed below.

2021 overview

October 2021 month grid

October 2021

W MonTueWedThuFriSatSun
39 27 28 29 30 1 2 Gandhi Jayanti 3 National Holiday · Clocks go forward: South-east Australia
40 4 5 6 New Moon 11:06 UTC 7 8 9 10
41 11 Columbus Day · Thanksgiving 12 Our Lady of Aparecida 13 First Quarter 03:26 UTC 14 15 16 17
42 18 19 20 Full Moon 14:57 UTC 21 22 23 24
43 25 October Bank Holiday 26 27 28 Last Quarter 20:06 UTC 29 30 31 Clocks go back: United Kingdom; European Union; Israel
44 1 2 3 4 5 6 7

12 public holiday 🌑 🌓 🌕 🌗 moon phase (UTC date) clock change W = ISO week

Public holidays in October 2021

DateHolidayObserved in
Gandhi Jayanti India
National Holiday Germany
Columbus Day US
Thanksgiving Canada
Our Lady of Aparecida Brazil
October Bank Holiday Ireland

National holidays only, from the open-source date-holidays dataset. States, provinces and regions add their own — see each country's holiday page for the full list and observances.

Moon phases

  • New Moon
  • First Quarter
  • Full Moon
  • Last Quarter

Times are shown in your time zone when JavaScript is on, UTC otherwise; near midnight the local date can differ. For moonrise and moonset see the moon pages for New York, London or Sydney.

Clock changes in October 2021

Local wall-clock times, from the IANA time zone database. How daylight saving time works.

October 2021 at a glance

Days
31
Weekdays
21
Weekend days
10
ISO weeks
39–43
Day of year
274–304 of 365
Quarter
Q4
Days left in 2021 after the 31st
61
Friday the 13th
No

The name: From the Latin octo, "eight": it was the eighth month of the early Roman calendar.

Working days by country

Monday–Friday minus national public holidays that fall on a weekday. Regional holidays are not subtracted.

Need a span that crosses months? Use the date and time calculator.

October 2021: common questions

How many working days are there in October 2021?

October 2021 has 21 weekdays (Monday to Friday) and 10 weekend days. In the United States, Columbus Day (Mon, Oct 11) falls in the month, leaving 20 working days. The United Kingdom has no UK-wide bank holiday this month, so it has 21 working days (regional bank holidays in England, Scotland or Northern Ireland are not counted).

What week numbers are in October 2021?

October 2021 covers ISO weeks 39, 40, 41, 42, 43. ISO weeks start on Monday, so October 1, a Friday, falls in week 39.

When is the full moon in October 2021?

Wednesday, October 20 at 14:57 UTC. The new moon is on Wednesday, October 6.

Do the clocks change in October 2021?

On Sunday, October 3 clocks go forward one hour in South-east Australia. On Sunday, October 31 clocks go back one hour in United Kingdom, European Union and Israel.

What day of the week does October 2021 start on?

October 2021 starts on a Friday and ends on a Sunday (the 31st). It runs from day 274 to day 304 of the year.

Other months in 2021

October in other years